What is it?
Yandex DataLens is a business analytics service It lets you connect to various data sources, visualize data, create dashboards, and share the results. With Yandex DataLens, you can track your product and business metrics directly from data sources to make data-based decisions.
Documentation available here:
https://cloud.yandex.com/en/docs/datalens/
How does the fact that it employs some people who aren’t russian make it a less-russian company? I’m from Canada and at one point worked for an American company - did that make it a Canadian company? Your premise is invalid.