Sorry for the delay in response. Unfortunately, we don't currently have a tutorial for Hugo but I can give you some basic instructions. First, I would take a look at this help article for adding Adobe Fonts to your website: https://helpx.adobe.com/fonts/user-guide.html/fonts/using/add-fonts-website.ug.html.
These basic steps are the same for Hugo but you just have to make sure you're editing the right theme files. Let's use the Ananke theme as an example. In order to add the embed code to the <head> of this theme, you would add it to the baseof.html file under layouts > _default > baseof.html . Once you do this, now you just need to edit the theme's CSS to use your Adobe Fonts font-family declaration. I don't have specific instructions here but I would try editing the font-family CSS declarations in the theme until you get the results you want. Look for the "custom CSS" section of your theme's README.md file.
I hope this helps get your started. Let me know and we'll take it from there.
No problem and thanks for getting back to me. We've managed to add the code and apply the fonts now and it sounds like your answer is the same process.