But that displays the WPSEO description from the post and not the category.
It seems like I would need something like get_category_meta but from what I can see, that is a different plugin. I’ve replaced $post->ID with a number of different category-related things but they just yield errors or nothing at all.
I’m also a little confused by this one and as to why WordPress isn’t putting out the meta description in categories despite descriptions being entered. That was until I entered this into the Taxonomies area under description for categories: