This app was mentioned in 24 comments, with an average of 1.33 upvotes
What your are looking for is called 'PDF reflow', when the program extracts text from PDF and arrange it in a new layout and with the font of your choice. There are some PDF readers which can do it e.g. Foxit PDF Reader which ironically can reflow PDF files even better than Adobe Reader.
Edit: link to app
It's note quite the same as clicking stitches done, but I use this PDF app on my Windows tablet to open files and then highlight the stitches I've done. I've used it on a Windows desktop, but I haven't used it with Android.
I've literally done this on an employment contract.
You can easily edit pdfs, with your phone if needed. Docusign or foxit pdf editor
Ich hab am PC "Foxit PDF" - dort kann man digitale Signaturen oder einfache Unterschriften als "Stempel" einfügen - als App geht das auch: https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite&hl=de
I remember in a thread awhile back someone asked this & several recommend Foxit PDF. I've been using it since & like it. Also works on W10 & actually unsure pretty sure it can sync across platforms as well.
https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
https://www.foxitsoftware.com/mobile-pdf-reader/
Edit: added links
If you wanted to add comments to PDFs that you read on your tablet, lots of apps have this capability. Foxit Reader is a free one that I know of: https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite&hl=en_US
But, as far as I know, most of these apps only support text notes that you type at a keyboard, so you can't draw diagrams or anything like that, which is probably a big drawback for you.
Try Foxit's Mobile PDF Viewer in reflow mode, it will make it WAY easier to read PDF's on your phone.
If you want to permanently remove the image footnote, Foxit's Phantom PDF can edit PDF's, you can simply delete the image, it's a desktop app.
Other PDF Editors will allow you to do it too, but I like Phantom, and not just because I work at Foxit... ;-)
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iOS - https://itunes.apple.com/ca/app/foxit-mobilepdf/id507040546?mt=8
Google Play - https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite&hl=en_CA
Phantom (Desktop) - https://www.foxitsoftware.com/pdf-editor/
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Foxit PDF is this what you're looking for
Try this one. I've been using it for years and it's awesome. https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
Foxit is my favorite. https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
If by mobile view you mean text reflow, try Foxit, it's my go to app when it comes to mobile pdf
https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
Why link to that site, when it's already available for free straight from the actual Foxit developers on the Play Store?
https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
I like Foxit Reader. They also have a great desktop client
https://play.google.com/store/apps/details?id=com.foxit.mobile.pdf.lite
It's the best app i used on PC and Mobile, fast and easy