Convert all your WordPerfect files to PDF with Adobe's CreatePDF. Aside from the bloated carcass that is Photoshop, and the CPU-taxing nightmare that is Flash, Adobe is also known for the slimline, efficient and easy to use Acrobat and Acrobat Reader, applications for authoring and reading PDF files. Who am I kidding. Acrobat is pretty much the most complicated, slow and cumbersome way to do anything with a PDF, which is why I'm skeptical that Adobe's CreatePDF for iOS will even work.
The $10 universal app takes files of many formats and converts them to a PDF.
Gadget Lab, Adobe CreatePDF for iPad