My senior recital in college was all Cannonball. I did 3 selections from Fiddler on the Roof: Fiddler on the Roof (AKA Tradition), Chavalah, and Sabbath Prayer. I used the published piano reduction from the play and my ear to copy the arrangements. I adjusted the instrumentation for Alto, Tenor, and Trombone. I swithced between flute and alto on Chavalah, and just played flute on Sabbath Prayer. If you have Finale, I can send you the scores.
Since the only one of those three with any real improv in it is Tradition, that's the only one where I transcibed Cannon's solo. I also did Vincent Herring solo from when the Louis Hayes Cannonball Legacy Band recorded it. Unfortunately, I did those by hand and never put them into the CPU.
I've never come across anything else that had FOTR transcriptions.