Shameless plug: for adhoc reporting by non-technical users our https://www.seektable.com https://www.seektable.com also can be considered (esp. if your users he

Shameless plug: for adhoc reporting by non-technical users our https://www.seektable.com https://www.seektable.com also can be considered (esp. if your users heavily use pivot tables), it is closed-source but has a fully functional free accounts & self-hosted version.