How do my customers see their submitted tickets if they're in multiple organizations on the "My Activities" page?
End users can view their own tickets and see tickets associated with their organizations within the Customer Portal of the help center. To view tickets associated with your organizations, go to the My Activities page and click on Organization requests. If you're part of multiple organizations, a drop-down will appear to the right of the search bar which allows you to choose the organization requests you would like to see.
For more information on the My Activities page, see the article: Submitting and tracking requests in the help center Customer Portal.