You can save a OneNote notebook as a PDF, but if you update the notebook, those changes will not be reflected in the PDF.

PDF files have the option to let you share and comment on documents in a wide range of applications. Adobe Acrobat Reader and other free PDF programs offer a subset of the capabilities of the paid ...

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...