There are two ways to send files via email.
1. If you want to send out a file when viewing it, tap "Tool" at the navigation bar.
2. Select "Email Out" and you will be able to send the file via email.
You can also select the file you want to mail out in the file library.
1. Tap "Edit" at the top of the PDF Documents file library and you will see a check box listed in front of each file/folder.
2. Find the particular file/folder and tap the check box next to the file, and tap “AirDrop” at the menu.