In the Notes app on your Mac, you can add PDFs or scanned documents to a note, then view, crop, apply filters, rotate, and rename them.
View a PDF or scanned document
In the Notes app on your Mac, do any of the following to find a PDF or scanned document:
Look in the note it was added to
Search for the PDF or scanned document by name
Choose View > Show Attachments Browser, then click Scans or Documents
To view an attachment inside the note that contains it, select the attachment, then choose View > Show in Note