If your priority is strict brand compliance within Microsoft PowerPoint, I...

https://papa-wiki.win/index.php/How_to_Stop_Layout_Shifts_When_Exporting_AI_Decks_to_.PPTX:_A_Pro_Guide

If your priority is strict brand compliance within Microsoft PowerPoint, I suggest sticking with Copilot. I use it for enterprise projects where external tools often break my master slides