Compare Documents: This Operations is Not Permitted

Hi,

Greetings! I am sorry to hear that you are facing issues with compare feature. Please try out the steps in latest version of Acrobat DC.

Reach out to us in case, you face any issues. You may also log a Bug Report at: Adobe Acrobat - Feature Request/Bug Report Form

Also, we have significantly improved Compare functionality in our new release of Adobe Acrobat DC. Please update to the latest version to give it a try. The new Compare Files Tool offers a Side-by-Side view which provides a better experience in identifying differences and a modern UI.

Latest version for Adobe Acrobat DC build number: 2015.020.20039 (Continuous).

Thanks,

Adobe Acrobat DC Team.

Hi,

In past couple of months, we have been addressing lot of issues and feedback that we collected from forums. If you want to play with the early build and provide more feedback, please join our pre-release program.

If you are interested please let us know, we will contact you to get registered in our pre-release program.

Thanks,

Adobe Acrobat DC Team

Hi sd65894895,

What is the dot version of Acrobat Pro DC and OS installed on your system?

Make sure that both the documents are not secured.

Regards,

Meenakshi