What is it?
Adobe Acrobat Reader is a free app for viewing, annotating, and signing PDFs. Download:
Adobe Acrobat Reader for iOS at iTunes
Adobe Acrobat Reader for Android at Google Play
Key Features
VIEW PDFs
• Quickly open PDF documents from email, the web, or any app that supports “Open In…”
• Search, scroll, zoom in and out
• Choose Single Page or Continuous Scroll mode
ANNOTATE & REVIEW PDFs
• Make comments on PDFs using sticky notes and drawing tools
• Highlight and markup text with annotation tools
FILL AND SIGN FORMS
• Quickly fill out PDF forms by typing text into fillable fields
• Use your finger to e-sign any PDF document
STORE AND SHARE FILES
• Sign in to your free Adobe Document Cloud account
• Easily access your recent files across devices with Mobile Link
• Store and share files in the cloud
source: app description taken from iTunes Preview