Expert Power BI Report to Excel programatically (o...

We have embedded Power BI in our React Application and can be able to perform Copy reports, Move reports from one work-space to other and edit reports using Power BI Rest APIs. But here we are facing one issue, We could not able to export power BI report as PDF / Excel using any of the API. Is there any solution(Except Power BI Desktop) that we can able to export power BI Report to PDF / Excel using C#?

Could anyone please provide any suggestion/Solution to export reports to PDF/Excel or Both.

There is a tool called PBRS, how does export is working in that tool, because we are unable to find any API for the export report to EXCEL or CSV.