In Annotate menu, choose the top option that says Highlight Text. To get started with them, head to the menu at the top of your screen and select Tools, followed by Annotate. Step 2: You have several different kinds of annotation options to use in Preview. If you’re dealing with a new PDF, just open that PDF, and it should open in Preview automatically (otherwise, right-click on the PDF to see more opening options and select Preview). When you right-click on the Preview app, you will be able to see all the files you recently accessed with Preview, and select the one you want. Preview should be available in your Dock - it’s the icon that looks like a couple of photos under a magnifying lens. It’s already preinstalled, completely free, and fairly easy to use. The Preview app on Mac is probably the easiest way to annotate a PDF document quickly. We’ll go over the easiest ways to annotate a PDF on MacOS, and what tools are most worth using for both Preview and Acrobat DC. It’s common during the development process, and may be required for you to sign or fill out a PDF as well.ĭon’t worry if you don’t have much experience annotating like this on a Mac. Annotating PDFs refers to adding notes and important remarks to the PDF for other readers. If you’re exchanging and creating PDFs with your peers or coworkers, chances are high you’ll need do some notation.