I love Metabase ( https://www.metabase.com/ ) and used it successfully with business users, too (small hedge fund). If it's not too much data, getting it out as .csv and using R + data.table + dplyr, etc; = incredible productivity. See [1] Use Excel, QlikSense and Tableau if Business Users need visualization. Excel pivot tables = OG data reshaping. Resist more complicated solutions : do you really need more than Exce…
Create a read replica, deploy metabase, connect it, start building visualizations. Or use the X-ray auto analysis feature to generate a bunch of mostly useful visualizations with a single click.