WordPerfect® to Acrobat .PDF (using WordPerfect® Publish to PDF. option.)
Creating PDF files from Word by Using
Acrobat (6.0-7.0 on Windows)
Creating PDF files from QuarkXPress 5.x in Acrobat (5.0-6.0 on Windows)
Convert QuarkXPress 6.x documents to Adobe PDF (Acrobat 6.x on Mac OS X)
Adobe Knowledgebase: Text Reflows into More or Fewer Pages in PDF File.