Hello!
I just saw your question. Did you find any solution?
My company recently built a connector which can help you connect Adobe Analytics to Tableau. This connector, called the Cognetik Cloud Connector, is available for free public use. Here is a link that might help you. It also easily integrates with marketing platforms missing from Tableau, such as Adobe Analytics, Facebook Ads, Facebook Pages, Google AdWords, Bing Ads, Kochava and Youtube.