PDFpen 9.0 Adds 100+ Enhancements; Annotations, Export Options, and More Posted 4/13/2017 at 22:39 UTC in Mac by gnye@amdesign.net | Permalink | Tweet California based Smile today launches PDFpen and PDFpenPro 9.0, a new major version of its all-purpose PDF editing tool for Mac. Users can easily add signatures, text, and images, make changes and correct typos, OCR scanned docs, fill out forms and more. Mark up documents with highlighting, underscoring and strikethrough. Version 9 introduces over 100 enhancements covering document annotations, Tables of Contents, and export options.