System Design and Stack Architecture Diagrams for Tableau Clone - Visio

We have a project coming up and I would like recommendations of a stack and system diagrams using AWS to create something similar to Tableau for data visualisation.

AWS Architecture

Amazon API Data Collection into Database

Tableau Style Dashboarding (recommend some JS dashboard software or stack) with drag drop.

(Approximately 500 Clients using simultaneously. )

1. Software Stack explanations - visual diagram
2. AWS Architecture used - visual diagrams
3. Architecture flow diagrams for Front end and Back end.

Please show previous system design work.