Along with easy-to-share reports, you get access to create measures using the robust DAX language. Here, the gateways connect your dashboard with multiple data sources like Analytical Services SQL Server databases. 

 A primary and one of the main features of Power BI is the visualization of data. It draws a better understanding of data by visually representing and communicating your data among your teams. Read more: https://www.linkedin.com/pulse/different-types-charts-power-bi-how-use-them-jennifer-balsom/