you can use the pro version to send files by emil and bluetooth. more details below. the pro version of the app by pompolutz is published by Ocius. this is the link:
PDF Reader Pro | Windows Phone Apps+Games Store (United States)
I dont use the Pro version as i have no use for it.
Read PDF, XPS and CBZ files (password protected also) on your Windows Phone 8 device, open them from SD card, SkyDrive, internet, etc. Share them by email, Bluetooth and SkyDrive.
With this app you will be able to:
• Search for text
• Pin documents to start screen
• Read password protected pdf files
• Send by email or Bluetooth
• Open files from SD card
• Share files via Skydrive
• Invert document's colors
• Integrate with SkyDrive for fast and easy access to your clouded files
• Really quickly opens PDF, XPS and CBZ files
• Easily zoom in text or images for closer comfortable view
• Open files received as email attachments, downloaded from internet or open them from Office hub
• Navigate via file's content
• Jump to desired pages