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Which subscription do you have - Pro Tools ($35 per month per developer - current product) or Pro Account (90$ per month per developer, no longer sold but many accounts purchased last year are still active)?
Pro Account was effectively the current Pro Tools (see vaadin.com/pro) plus some other things that have now moved to separately sold team support contracts.
In either case, the subscription includes development time licenses for the add-ons listed on the page as well as for Vaadin TestBench for automated testing. Each of the products is licensed per developer working on the project, and no deployment licenses are needed - see the license text of each product for details or ask for specific clarifications.