PDF Studio 7

PDF Studio is a powerful, easy to use PDF editor to review, annotate and edit PDF documents on Mac, Windows, or Linux.

PDF Studio maintains full compatibility with the PDF Standard, and is integrated with document services such as Google Apps, and SharePoint).
With PDF Studio users can review & annotate documents, scan-to-PDF, fill in and save PDF forms, secure documents with passwords and permissions, merge/split/assemble documents, add bookmarks, watermarks, headers and footers. WIth PDF Studio Pro, users can also edit content (text, images, and shapes) in PDFs, batch process multiple PDFs, use precision measuring tools, digitally sign PDFs, preflight with PDF/X profiles, and perform advanced splitting and merging.