I am building a web app where the user will choose different options to generate tables, charts, graphs, etc. using a front-end interface built with HTML/CSS/Javascript. Once the user configures their tables/charts the app will render them and generate a JSON object that will be saved on the server using Java/Postgresql. Once the user has the table/chart they want, the app needs to let them export the table/chart and programmatically generate a Powerpoint .pptx or .ppt file (as well as a few other formats like Excel, Word, PDF) that is fully editable (not just a static image).I am building a web app where the user will cho