Yes, when using the trial of Track Changes without Real-Time Collaboration, users are allowed to make up to 500 changes in the document (e.g., type 500 characters). After reaching 500 changes, the editor switches to read-only mode. When using CKEditor contexts and comments outside the editor, CKEditor switches to read-only mode after 10 minutes.
There are no limits/restrictions when a full license key is used.
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