Lock pdf with password to make document private, it will prompt for password when someone try to open pdf to view. Add restrictions password which disables pdf printing, editing, form filling, signing, commenting, modification etc.
Tipard iOS Data Recovery is able to recover the lost and deleted SMS, contacts, call history, App data, photos, etc. from iPhone, iPad and iPod directly. Also, it can regain lost data from iTunes/iCloud backup files for all iOS devices.