BI Connector is sold with a perpetual license and annual maintenance or an annual subscription license. 

BI connector - Desktop Edition is sold on a named user basis.  Annual subscription fee starts at USD 240 per user per year.  The attractive pricing of Desktop Edition allows individual business users to buy a license with credit card and instantly gain the various benefits of connecting directly from Tableau to OBIEE.  

BI Connector - Server Edition is sold per server.   Server Edition License is required if Desktop Users publish OBIEE data to Tableau Server or Tableau Online for access by the Tableau Web Users.   

Please refer to the pricing page for detailed pricing of Desktop and Server Editions. 

Annual maintenance provides unlimited email/web support, updates, and bug fixes for the corresponding BI Connector edition.