The Geo tag is designed for tracking valuable equipment that is often out in the field on a jobsite rather than for monitoring employees. If you're interested in tracking your team/employees, it's important to follow Data Privacy legislation.
If you are interested to learn how the geo tag finds and reports its location, please check: How does the Geo tag find and report its location?
If you are interested to learn what is geo tag is, please check: What is a Geo tag?