If your client demands strict brand compliance, Beautiful.ai is my go-to. It...

https://wiki-wire.win/index.php/How_Do_I_Keep_AI_Slides_from_Sounding_Generic_and_Fluffy%3F

If your client demands strict brand compliance, Beautiful.ai is my go-to. It actually respects your master templates. I’ve found the PPTX export stable, avoiding the nightmares of font substitutions when opening files in native PowerPoint