How TF can you not allow undo ANYWHERE in ANY application! The year is 2020! Why are computers great? Many reasons. One of the biggest? UNDO.
WHY CAN I NOT UNDO WHEN I MAKE A MISTAKE FILLING A DOC IN FILL + SIGN MODE, WHEN I'M THE CREATOR OF THE DOCUMENT?! Every time I try to use Adobe's half-assed software (Premiere [the worst of all], Audition, Acrobat), I want to pull my f&*%ing hair out because you fools either altogether left out a VERY common and important feature, or you included a broken version of it! And when I say broken, I mean BROKE. Ever tried to export multitrack audio, in sync with picture, from Premiere "Pro" to BASICALLY THE ONLY PRO AUDIO SOFTWARE USED IN POST SOUND–Pro Tools? IT'S A COTDARN TRAINWRECK. I'm glad I've been cracking your sheisty software for years (and now have free access through my employer) because I would never pay for this sorry excuse for "professional" software! Sometimes it's helpful. But only ever enough to be a free beta. Except you charge money for your betas, and seemingly the majority of what you output is effectively a beta. Shoooot, one might even say its a gamma.
And the support! Had a tech remoting my machine trying to figure out why Premiere was sending horribly unreliable AAFs and OMFs to Pro Tools (using a purchased and up to date verison of Premiere and Pro Tools). Guess what? 1.5 hours of him clicking around and sounding like an idiot over the phone, and he simply says "this is a known issue" and ends the call. He clearly had never made a movie in his life and was clueless about the mechanics of any of it, so it was about impossible to even describe my issue in a way he could follow. Compound that with the fact that English is not his first language, and he could give 2 shots about my 1st world problems, and you've got a recipe for the worst possible support you can imagine, as evidenced by the 1.5 hour long, fruitless phone call + remote access.
Oh, and fork your subscription model.