MAc version of Acrobat, tools and AI assistant not working

Hello,

I'm using a Macbook 14 inches 2021 with an M1 Max Chip and Sequoia 15.4

After the last update, Acrobat started to behave strangely. I can't access the various tools (either a blank window or a message saying that 

Acrobat has encountered a problem. Some features may not work as expected.

The AI assistant doesn't respond (blank side window)

This is after selecting the "Prepare for accessibility" tool

and this after selecting the AI Assistant

I've uninstalled multiple times either from the Adoube cloud app or directly, ran the Adobe cleaner tool and reinstalled through adobe cloud or from the direct install

But the problem continues to occur.

I'm a bit desperate here, and any help would be greatly appreciated !