And see if you are now able to delete comments with the method you were trying before. If commenting is allowed you may be able to work around it by creating a new comment, set defaults as new properties, save and close the document, and reopen. If commenting is allowed amongst other options. You will get another dialogue box ' Document Security' which will list the security method applied followed by permissions and restrictions that are allowed. Take a look at the section below labeled Document Security, see what version of Acrobat can open this document and also to the right, click on the button that is labeled 'Show Details '. Select 'Document Properties' from the context menu, and select the Security tab from the dialogue window that will popup.

With the document opened right-click on any area of the page displayed in your screen.

Note: The steps suggested may or may not work. You may please try the steps provided in the help links below and see if that works: By updating installations to the latest versions, customers benefit from the latest functional enhancements and improved security measures.įor more information please use the help articles below: Adobe strongly recommends that customers update to the latest versions of Adobe Reader and Adobe Acrobat. The updates and security patches are no longer available.

As described, after comparing the PDFs the comments get locked and you are unable to unlock them using Acrobat 8.Īcrobat 8 is an old application and no longer supported.

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