Hi Marcos! I'm from Seattle but I would love to help you with Tableau as much as I can if you want to PM me with specific questions. But if you are just getting started, check out:
1.
http://www.tableausoftware.com/first-robotics has tons of FRC focused tutorials that will help you get started. Also, in the next few days it will be updated with some new white papers with best practices for choosing what scouting data to collect.
2. This is my shameless plug for the FRC gamesense presentation I am giving about scouting and Tableau on Wednesday the 7th. Watch it. Ask me questions in the chat. If you pm me some questions before then I might try to work them into the presentation too.
But really, good luck on using Tableau. It has helped our team A LOT. I would be happy to help you with whatever you would like.
Quinn