I've always had a really hard time using Ableton for anything but music. Don't get me wrong, the stuff it can do straight out of the box is munkey farking incredible. Pro-Tools is a large pile of bull refuse in comparison.
My beef with Abletown is the same I have with Logic, Cubase, and Reaper, the audio editing just isn't there for me. The way I work, the multi-tool and shotcut keys are absolutely essential. Like, not having option-scroll wheel for zoom? holy crap I want to die.
That said, I try really hard not to be a stick in the mud. I've actually spent the time to learn how to use all of them quite well, but PT is just my heart's heart when it comes to SD.