Here are 5 good reasons
100% code-less charting and support for all on-prem versions of SharePoint including Foundation Servers.
Get data from SharePoint lists/views, Microsoft SQL Server, Oracle Database, Excel Workbooks, CSV, BCS/BDC and ODBC.
View hierarchical data with features like drill down (up to n-th level), dynamic data filtering, grouping, and basic pivoting options. Connectivity with other web parts is also available.
Choose the chart type that is perfect for your data, from 56 different options, including popular ones like column, bar, line, area, and pie. Special ones like Pareto, Marimekko, and several 3D varieties, are also available.