Open the PDF file in either Adobe Acrobat or Adobe Reader. Click "Document" on the toolbar at the top of the program, scroll down to "Comments" with the cursor and select "Add Sticky Note." ...

Select the Sticky Note tool from the Annotations panel. Click, or click and drag, on a PDF document page to create a note. Type your comments in the box created by the tool.

In this post, we are going to show you how you can import and add a PDF document to OneNote on Windows 11/10 PC. ... You just have to use its insert feature to add a PDF document to your notes.

PDF files are a different beast on the Scribe. If you sideload them in with a USB-C to the USB-A cable to your MAC or PC, you can The Kindle Scribe is a new hybrid e-reader and e-note.

While there are a variety of PDF apps for iPhones available — Adobe Acrobat being the most well known — you can just use Apple’s Files or Notes.