Tableau Software produces interactive data visualization products focused on business intelligence. Their main products include Tableau Desktop for building visualizations, Tableau Server for deploying them on a server, and Tableau Online and Tableau Public which are cloud-based options. The document discusses Tableau's overall architecture including components like the gateway, application server, VizQL server, data server, and repository. It also covers topics like licensing, deployment architectures, performance optimization, server installation and administration tools.