Solutions that are good for embedding reports have some specifics; say, usually a self-hosted version / white labeling are must-have.
Shameless plug here: take a look at our https://www.seektable.com, especially if you're interested in pivot tables (and affordable pricing, of course!).
Appreciate the kind words. Unfortunately we're unlikely to offer a white label solution, we're pretty focused on building for end users. You could check out our import scripts which let people build custom integrations with python/js: https://equals.app/integrations/import-scripts/.
One of my big features this quarter is to get deep into dashboarding/reporting for my own saas and I am incredibly impressed with your UI/UX.