This is useful when a CSS paged media engine (such as Prince XML) cannot process complex JavaScript as required by MathJax. See: https://www.print-css.rocks for information about CSS paged media, a W3C standard.
No Internet connection is required when generating or viewing SVG formulas, resulting in both absolute privacy and offline, standalone robustness.
Personally, I have been using it for quite some time to generate PDFs with MathJax generated formulas in an unattended typesetting workflow using Prince XML.
Here is a brief sample document:
https://hamwaves.com/zc.measuring/en/zc.measuring.letter.pdf
More intricate documents with Markdown source, makefile and CSS are available from the same web site.
Kind regards,
Serge Y. Stroobandt