There are quite a few appilcations to view PDF files on your BlackBerry. Although you get basic PDF support included with the native Blackberry applications, you might need a program with better support for image-rich PDFs and other special features. This should give you an overview about third party PDF viewers:
- DocHawk Platinum
This is the bestselling Handango application to view file attachments inlcuding Adobe PDF, Word, WordPerfect, XLS, PPT, eFax.
Document viewer for PDF, Excel, PowerPoint, Word, WordPerfect, faxes & photos which supports almost every feature of a desktop viewer-application
eOffice is not only a document viewer but a whole office suite for your BlackBerry. Besides the PDF support you can view Power Point presentations and create/edit word & exel documents.