The term "Patch -M" is often associated with third-party modification tools or crack patches found on software sharing forums rather than official Adobe documentation. For official and secure updates, it is recommended to use the Check for Updates option within the Acrobat Help Menu in current versions of Acrobat Pro DC? Acrobat Enterprise Release Notes - Adobe Help Center
In legitimate software development, a is an update released by the creator (Adobe) to fix bugs, patch security vulnerabilities, or add minor features.