Limitations in Document Intelligence

  • Release version: Yokohama
  • Updated January 30, 2025
  • 2 minutes to read
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    Summary of Limitations in Document Intelligence

    This document outlines the key limitations of the Document Intelligence feature in ServiceNow's Yokohama release, updated January 30, 2025. It highlights constraints customers should be aware of when using Document Intelligence and Now Assist in Document Intelligence, focusing on file formats, sizes, processing limits, and supported character sets.

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    Key Features and Limitations of Document Intelligence

    • Supported File Formats: JPEG, PNG, and PDF are supported for document processing.
    • File Size Limit: Maximum file size allowed is 10 MB.
    • Page Count Limits: JPEG and PNG files support up to 10 pages per document task; PDFs support up to 25 pages.
    • Supported Languages: Refer to the official supported languages documentation for detailed language compatibility.
    • Document Rotation: Supported in 90-degree increments only.
    • Text Alignment: Text within documents must be horizontally aligned for accurate processing.
    • Minimum Character Size: Characters must be at least 15 pixels in size.
    • Character Types and Sets: Only printed characters are supported, including standard Latin alphabets, accented characters, numerals, and several special characters.
    • Processing Mode: Asynchronous operations are supported.
    • Throughput Limits: Maximum of 2,000 document tasks can be processed per instance per day.
    • Field Limits: Up to 50 fields per document extraction use case and 30 fields (categories) per document classification use case are supported.

    Key Features and Limitations of Now Assist in Document Intelligence

    • Supported File Formats: Document extraction supports PDF files, including digitally created or scanned pages; document analysis supports Microsoft Word (.docx) files. Encrypted files are not supported.
    • File Size Limit: Maximum file size is 5 MB, subject also to the system property com.glide.attachment.maxsize.
    • Page Count Limit: Maximum of 15 pages per file.

    Practical Implications for ServiceNow Customers

    Understanding these limitations helps customers plan document processing workflows effectively, ensuring files meet size, format, and page count requirements to avoid processing errors. Knowing supported character sets and alignment constraints aids in preparing documents for optimal extraction accuracy. Awareness of throughput and field limits assists in managing expectations and scaling document automation tasks appropriately.

    There are several important limitations to be aware of when you’re using Document Intelligence. There are also some limitations with Now Assist in Document Intelligence that differ from the limitations in Document Intelligence.

    Document Intelligence limits

    The following table is a list of the important limitations in Document Intelligence.
    Table 1. Limits in Document Intelligence
    Limit Description
    File formats The supported file formats are JPEG, PNG, and PDF.
    File size limits The file size limit is 10 MB.
    Page count limit per document task Document Intelligence supports a 10-page count limit for JPEG and PNG.

    For PDFs, the page count limit is 25.
    Supported languages For information on supported languages, see Languages supported by Document Intelligence.
    Document rotation Document Intelligence supports rotating in 90-degree increments.
    Text alignment The text must be aligned horizontally within the document.
    Minimum character size The minimum character size is 15 pixels.
    Character type Document Intelligence supports only printed character types in a document.
    Character set Document Intelligence detects the following characters:
    • a-z, A-Z, 0–9
    • á à â ä ã å ß ç é è ê ë î ï í ñ ó ò ô ö õ ú ù ü û œ
    • Á À Â Ä Ã Å ẞ Ç É È Ê Ë Î Ï Í Ñ Ó Ò Ô Ö Õ Ú Ù Ü Û Œ
    • , : ; . ‘ \ ” ! ? ¿ ¡ + - * ( ) [ ] } { & % @ # / | ~ ^ < > ` ± = _ $ £ ¢ €
    Sync/async operations Async
    Maximum number of document tasks processed per instance per day The maximum number of document tasks processed per instance per day is 2000.
    Maximum number of fields per use case

    The maximum number of fields per document extraction use case is 50.

    The maximum number of fields (categories) per document classification use case is 30.

    Now Assist in Document Intelligence limits

    The following table is a list of the important limitations in Now Assist in Document Intelligence that differ from the limitations in Document Intelligence.
    Table 2. Limits in Now Assist in Document Intelligence
    Limit Description
    File formats

    For document extraction, the supported file format is PDF. The PDF may include pages that are created from digital or scanned paper documents.

    For document analysis, the supported file format is docx (Microsoft Word document).

    Note:
    Encrypted files are not supported.
    File size limits

    The file size limit is 5 MB.

    The file size limit is also determined by the com.glide.attachment.max_size system property.

    For more information, see Configure attachment system properties.
    Page count limit per document task

    The page count limit is 15 pages per file.