PDF Architect 7 is a tool developed by PDFForge to play with pdf documents with freedom. Its user interface is the best thing about this tool. With the features to create, edit and convert a pdf file. Plus, it comes with OCR and e-Signature. While creating a file, you don’t need to worry about its security. Because it provides some awesome privacy features which will keep your document safe and secure. It will allow you to merge a combination of the file so that you easily manage and share them. With this, it has a feature as “Review”. This feature will allow you to leave notes in a document. These notes will be shown to the person with whom you share the file.