Tobias, creator of SN Pro here. Most sans-serif fonts are not designed with Markdown in mind. The asterisks are too small and high, backticks are not noticeable, and combining different symbols such as for footnotes looks off. Here's a comparison for you between Nunito and SN Pro: https://my.supernotes.app/share/iron+junior+degree+doctor
Extending this with additional ligatures and arrows makes this typeface more ideal for reading and editing quickly.