Add Notes: Place comments in the form of sticky notes directly on the PDF. Shapes: This lets you add pre-made shapes like rectangles, circles, and arrows to draw attention to specific areas.

In the Markup window that opens, you will see all the tools you can use to add annotations to your PDF file, and you can turn the pages to annotate throughout the document. When you're done ...

You can import and add a PDF to OneNote as a file attahcment or printout image, or convert and add PDF to OneNote. Here's how!