Windows Store app: Insert PDF documents
Vote for this if you want to be able to insert PDF documents into your notes in order to annotate and/or preserve them in the OneNote Windows Store.
We are happy to announce that we have just shipped an update to the OneNote for Windows Store app that supports inserting PDFs and files. Please see full announcement here: http://blogs.office.com/2014/08/19/onenote-updates-windows-store-app-support-printing-inserting-files-pdfs-ink-highlighter/
Robert Paulsen commented
You can print your PDF to OneNote which works ok as long as you don't need to modify the text. I also suggest "Drawboard PDF" (Not free) because it's awesome for working with PDFs.