Adobe has land a application software of its PDF Reader, Adobe Reader for iOS devices, which supports Apple iPhone, iPad and iPod Touch.
The Adobe Reader PDF reading app is now available for the iPhone and iPad. Adobe has been able to integrate Reader into the iOS system, so users can open PDF files from the web or emails in the Reader app. Users can email PDF files with the app, print them with Apple's AirPrint service, or send them to another application. Reader for iOS is compatible with PDF portfolios, password-protected PDFs, and Adobe LiveCycle rights-managed PDFs. Adobe Reader for iOS is free and available in the iTunes App Store now.
In addition to standalone PDFs, the app can be used to open ePortfolios (PDF Portfolios), PDF Packages, annotations and drawing markups. Password-protect files, those secured by Adobe LiveCycle Rights Management and files encrypted using AES256, are also supported. source: iTunes