Of course, viewing is one thing; editing is another process. If you want to write something in an existing PDF file, and then save your changes, you have software such as, PDF Architect, iSkysoft ...

The file will open in PDF format automatically if you selected the Open File After Publishing option. Otherwise you can open your proposal by navigating to and double-clicking the new PDF file.

Download a document as a PDF If you have a document that you are creating in Google Docs or one you’re uploading from your local drive, you can easily convert it to a PDF file and download it.

There are a few ways you can convert a PDF to Excel, including through Microsoft Office apps and Adobe Acrobat.