Hi @Swegmann - welcome back to ISC!
You should have faster response to this from support@sailpoint.com, who might have the latest info on this in case one of us here has outdated info.
1 session is 1 hour long.
These sessions does not include any hands on work by the architect asssigned (i guess you are refering to the AAA sessions) but guidance, best practice and advice from the architect for a given topic.
Feel free to reach out to my SailPoint email should you guys need more info, i can refer you.