The Trados Business Manager Connector is a free plugin that enhances the integration between Trados Studio and Trados Business Manager. It's not essential for you to install the Connector to work with Trados Business Manager, but it might enhance your enjoyment of working with the tools.
The connector will not do anything for you unless you have Trados Business Manager installed as well. You can learn more about this exciting product for managing the business side of your translation activities here.
The connector allows you to create jobs, quotes or invoices in Trados Business Manager directly from Studio providing a neat workflow if you prefer to use Studio as the starting point for managing your work. It also supports the creation of a Studio Project from a Trados Business Manager Translation Job and manages the process of things like mid-project updates for invoicing your client.