Power BI is BI & Data Visualization Tool by Microsoft way advanced than SSRS by Microsoft
According to Gartner's Magic Quadrant, it is amongst top 3 BI Tools in Industry
Since it is a Microsoft Product it is widely used with Ms SQL Server and many other databases. Hence there is huge opportunity in Industry.
Since it is among Top BI Tools in Industry it is one of High Paying Technologies in Industry
Pre-requisites To Learn - none. To Implement Basic SQL is required