You must ensure dob(date od birth) is not conflicting with an age requirement (+18). If you do not have a Behance account, logging in and setting dob should solve it (hard reset of cc would be requred too).
If you are bellow 18. Please do not try to workaround as some disturbing and nsfw content may appear.
I have deleted both versions of photoshop then reinstalled Beta (installation even says "adding generative fill components" during install) but it is still greyed-out. I'm in UK with full CC subscription using Mac M1- Please advise
Made sure I was on 24.6 m.2181. Generative fill was greyed out. Uninstalled/reinstalled... and it still doesn't work. Is this an issue with the region that I am in (East Asia)?
THIS IS THE SOLUTION for the Greyed Out "Generative Fille is currently not available": Go to Behance in the Creative Cloud desktop app and update your date of birth.