Generate powerpoint output for a Shiny app

I have an R shiny app which uses plotly and datatable. I want the users to download all the tables and charts into a powerpoint . I tried using ReporteRs but apparently it says it wont support htmlwidgets. What are packages are available which I can use for generating powerpoints.

I'm not sure whether PowerPoint can support htmlwidgets at all, but RMarkdown can produce PowerPoint output: