Welcome to the Community, HamBoss.
There isn't a specific group for Commerce topic but you can freely post or join threads to share your thoughts here in the Community. Here, users are allowed to engaged, discuss, and exchange ideas to a certain topics that benefits their business goals.
Here's an article that you might want to keep for more information about how QuickBooks Commerce works: Learn how QuickBooks Commerce Works.
I'm adding this article to learn more about the Community: QuickBooks Community Guidelines. It includes topics about the guidelines that reflect the Intuit Community goals and priorities.
Please don't hesitate to drop a comment below if there's anything else I can help you with QuickBooks Commerce. Take care always.