From PDF Restriction Remover:
PDF restriction manager software is an advanced tool for encrypt or decrypt PDF file. PDF encryption software is used to protect PDF from unauthorized users by setting user and owner password on PDF documents. Feature of this software is adding and removing password in batch mode that save your important time. User can restricted multiple feature such as prevent copy, prevent print, prevent edit, prevent assemble, and prevent content copying for accessibility. If you want to unlock PDF file so you have to know the user password to open PDF file then you unlock and entered it while if it is protected with owner password protected PDF file so program will automatically remove the owner password restriction. For using this software you have to unlock all lock features such as copy content, edit text, print document, modify content, form fill, annotation, content copying for accessibility, and assemble document.