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To point 1, it was trivial for me to open the PDF in Preview on macOS, save it out as a multi-page PNG, open that PNG in Preview and macOS itself just let me copy out the text without error (in my limited test).

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Yep. Even taking the most obvious approach, PDF -> PNG, PNG -> PDF, and running the PDF through Acrobat's "Optimize Scanned Pages" feature results in a PDF that is almost the exact same size as the original and has copyable text: https://0x0.st/oQvE.pdf

Even most of the columns scan correctly!

I took a screenshot of the address and pasted it into OneNote. The 'Copy Text from Picture' extracted the text with no issues.

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