My preferred module for PDF creation is PDF::API2::Simple. Its text method has an autoflow property to automatically wrap lines even across pages. Despite being a simplified wrapper for most of your work, it also gives you access to the underlying PDF::API2 object so you have all the power of that when you need it.

I can't say it's better than the CAM::PDF family of modules, because I haven't worked with those much. From what I've read and heard from other monks, either should be a suitable route to take.