Non of my Creative cloud apps are working!

You were brave, for sure, to take Apple's biggest software upgrade for years when it is two days old.

Why don't things work? Because apps ALWAYS break after system updates. We have to wait for fixes. Every single time.

What to do? Go back to the earlier system. If you planned for it and have a backup. 

There's also these

https://helpx.adobe.com/x-productkb/global/fix-macos-64-bit-compatibility-errors.html

https://community.adobe.com/t5/Photoshop/Does-Photoshop-work-with-Catalina/td-p/10654955

1 - NEVER update your operating system until you are sure there are no problems with programs

2 - Reset Preferences https://community.adobe.com/t5/Get-Started/premier-pro-cc-doesn-t-work-on-my-pc/td-p/8054549
-and https://community.adobe.com/t5/Premiere-Pro/FAQ-How-to-reset-trash-preferences-in-Premiere-Pro/td-p/8236158