How to edit a PDF on your Mac using Preview This is the most basic ... Most of the editing tools are found under Tools > Annotate. You can add text, arrows, circles, rectangles, and more.

Widely used PDF files capture text and images nearly exactly as they display in the application that created them. The format is designed to store text and both bitmapped and vector images ...

In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.

And if your Mac doesn’t have a specific font installed, you can still edit the text with a different font. Also regarding PDFs, the latest Pixelmator Pro update improves support for Apple PDF ...