within that link are others to download the pdf in the original format (not encoded by safari, reader mode, etc). Lots of options to view it in its original format. Most open a page with a long url ending in .pdf.
A screen shot of the “original format” I would like saved:
@Solar-Glare ’s suggestion is what I would recommend, as that will also retain any links in the article. I’ve found that using the print dialog and saving a PDF from there results in the loss of all links.