It provides a few annotation features including Highlight, Draw, and Erase using which you can draw annotations on a PDF document. You can also rotate pages of a PDF document in Edge.

Microsoft is updating the PDF reader in the Edge browser with a useful new feature to help you annotate PDFs and highlight sections that might be locked.

There are many useful features like Math Solver, highlight text in PDF documents, etc., that are already present in the Edge browser, now this image editor tool makes it more helpful.