We are sorry for the trouble and the delay in response.
Would you mind sharing the version of the Adobe Acrobat/Reader DC you are using? TO check the version go to Help > About Adobe Acrobat DC Make sure you have the latest version 20.009.20065 installed. Go to Help > Check for Updates
IF it still doesn't work, please try to create a new test user profile with full admin rights or enable the root account in Mac and try using the application there and check