Limitations in reviewing PDFs

Last updated on Oct 29, 2026

Learn about the recommended limits for Adobe cloud storage review services.

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Recommended limit for reviewing PDFs
Limitation	Details
Comments	Comments in a review file cannot be saved if they exceed the following limits: Maximum number of comments: 1000 Maximum size (in bytes) of total comments: 1572864 Maximum characters in a single comment: 2500 Maximum number of users mentioned in a single comment: 10
Reviewers or participants	Maximum number of reviewers or participants: 250
Review file download	Maximum file size limit: 50MB

Note

Exceeding the recommended limits may cause issues with Acrobat on the web.

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