To disable Acrobat DC’s “Ask Ai Assistant” feature, run REGEDIT
Go to: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Adobe Acrobat\DC\FeatureLockDown
Create a new Dword: bEnableGentech
Set value: 0
Source: https://community.adobe.com/t5/acrobat-reader-discussions/how-to-turn-off-quot-ask-ai-assistant-quot-box-at-bottom-of-window/td-p/14842788
Go to: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Adobe Acrobat\DC\FeatureLockDown
Create a new Dword: bEnableGentech
Set value: 0
Source: https://community.adobe.com/t5/acrobat-reader-discussions/how-to-turn-off-quot-ask-ai-assistant-quot-box-at-bottom-of-window/td-p/14842788
Disable Acrobat DC “Ask Ai Assistant”