The PDF keeps documents looking nice but makes it hard to edit. Here's what to do if you need to make changes. One of the best reasons to send someone a PDF instead of a Word doc is so that when they open it, it looks exactly as you intended. The formatting, the font, everything. But for those on the receiving end who want to tweak a word or two, it can be a huge pain to make changes. So just how do you edit a PDF? PDF (portable document format) is an open-source format so while Adobe Acrobat is popular, it's far from the only program out there. Let's start with Adobe first, though. Adobe Acrobat If you've gotten really lucky, you're working with an unlocked PDF and editing it is as simple as opening the PDF, selecting Tools, Content Editing, and the Edit Text & Images tool. Just click on the areas you wish to edit and the tools you need will appear. If the PDF is locked, you can try to select copy it, create a new document, a...