Yet when a document is scanned into PDF format, it can be difficult to edit-unless you first convert the text using a process known as OCR, or optical character recognition.

Want to search through / edit a scanned document on your Mac? Here's how to convert a scanned document into a searchable and editable PDF using Wondershare PDFelement.

Need to make notes in a PDF, or perhaps correct a few typos or reorganize the pages? Here are the tools and tips you need.

There are many alternatives when it comes to editing a PDF, but the best bet is usually to just use Adobe Acrobat on your computer or mobile device.