' PDF Forms is a powerful software tool for work with PDF documents and forms which allows commenting on ready PDF documents, filling forms, signing legal documents such as contracts or notices and sharing ...."
2- PDF Reader Pro
" PDF Reader Pro has being included in the iTunes App Store's @Work: Apps for Business campaign! This full-featured app is no doubt a comprehensive business helper that enables you to fill forms, sign documents, highlight text, add comments to PDFs, and access various files wherever you are...."
3- ez PDF Reader
" ezPDF Reader is the only PDF viewer with the embedded multimedia file playing capability feature in AppStore. It also supports the Annotations and PDF Form Filling..."
4- iAnnotate PDF
" Annotate's intuitive interface and comprehensive, customizable set of features let you annotate, manage, and share documents from your iPad. ..........."
5- Good Reader
" GoodReader® is the super-robust highly-rated PDF reader with advanced reading and annotating capabilities.........."
6- Cloud Readers
" CloudReaders (TM) is a free book/comic viewer, fully optimized for iPad (and now supports iPhone/iPod touch too!). It supports PDF, CBZ, ZIP, CBR and RAR format, and p2p file faster between iPads/iPhones via Bluetooth. ........."
" Read books on your iPhone, iPod Touch, and iPad! Lexcycle Stanza brings the digital book revolution to your pocket with a reading interface that is unrivaled in its clarity and ease of use.......'