This is copied form the App Description page in iTunes. If you are running iOS 4.3 - you should be able to install Adobe Reader.
Requirements: Compatible with iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation) and iPad. Requires iOS 4.3 or later. This app is optimized for iPhone 5.
Go to Settings>General>About>Version to check what iOS version you are running.
When you tap and hold down on the text - and bring up the Copy Option - hold down on Copy until it turns blue. Then launch the notes app. Tap on the + sign to create a new note. Tap and hold down on the yellow note lined paper in the app until the Paste option pops up - then tap Paste. That will let you see if you did it correctly.