I always have to be careful when answering SEO questions as I am a bit of a dunce when it comes to this! No doubt Mr Papa or Brandon C will correct anything I say that may be wrong.
The forum utilises a single WP page that was created when SP was installed. As I understand it, you can set up AIOSEO data on that page as with all pages. Or – as it is a single page but is used for all forums and topics etc., a better option is to NOT use the AIOSEO settings on that page but to set your SEO data in the forum admin > Components > SEO. And to be honest, the popup help on those admin sections will probably do a better job of explaining things than I can!
By the way, SP also supports the WP Google Sitemaps plugin.