Adobe Acrobat on the PC is accessible and has been for years. It's also expensive (and I presume you're talking about Acrobat itself, not Acrobat Reader, which is also accessible but that's free).
I can't speak to Adobe Scan nor to any of the mobile app versions of either.
Brian - Windows 10, 64-Bit, Version 21H1, Build 19043
You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.
~ Harlan Ellison