Follow the steps below:
1. First of all, click on the three dots in the top right corner of your Chrome browser.
2. Then choose More tools option => under this option go to => Extensions => to see all the extensions that you have installed.
3. Next to the Adobe Acrobat extension, there is a trach icon => click the trash can icon, and then Remove.
4. Restart your Chrome browser and the extension will now be removed.