Are photos taken within Notebook part of the 5 GB limit?

The title is pretty self explanatory. I would like to be able to take scans of my handwritten notes without the danger of going over my 5 GB data limit. Although one photo I took was only 1 MB, I might run out of space by adding attachments such as pictures (not of notes), PDFs, Office documents, etc

If photos/scans of notes taken with the app are included in the data limit, could you consider adding a feature similar to Google Photos where there is an option to backup an unlimited number of high resolution photos?

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