For strict brand compliance in PowerPoint, I use Gamma. It handles complex...

https://visualmodo.com/best-ai-presentation-maker-tools-that-are-actually-worth-using/

For strict brand compliance in PowerPoint, I use Gamma. It handles complex layouts well, though you must watch for pptx export font substitutions. Perfect for high-stakes decks, it creates a 10-slide draft under 60 seconds with reliability.