PDF Studio 7 Pro is an easy to use, yet powerful PDF editor for Windows, Mac, Linux. PDF Studio maintains full compatibility with the PDF format and supports most PDF functions.

This independent user tool enables these functions:
View, print, and search PDF files;
Review and Annotate PDF Documents with Text, Graphics, and Sound;
Scan-To-PDF;
Fill In & Save PDF Forms;
Secure Documents with Passwords and Permissions;
Merge/Split/Assemble Documents;
Convert to PDF documents from Word, Image, Text Files;
Add Bookmarks, Watermarks, Headers and Footers;

Integrated with documents services (Google Apps, Sharepoint).

http://www.augesoft.com/pdf-studio-7-pro-windows-pdf-editor_1_41437-2.html

Advanced PDF Studio 7 Pro features include:
Content Editing (Text, Images, and Shapes);
Permanent Manual Redaction;
Batch Process Multiple PDFs;
Advanced PDF Split & Merge;
Precision Measuring Tools;
Digitally Sign PDFs;

Preflight PDFs with PDF/X Profiles