Even after creating a user agent in your office or team account, you will still need to assign MLS IDs to each user in order to pull the appropriate featured listings for each bio page.
First, navigate to Account -->Users and select Agents .
Find the agent for which you would like to add an MLS ID and select the edit icon to the right of their name.

In the MLS tab you will connect the agent profile with the correct agent data from the MLS. Simply use the drop-down to find the agent's name.
If there are no agent names to choose from see this article for information about your Featured IDs.
Connecting your agent profile to the MLS agent data will pull in the agent's active listings from the MLS to their Bio Page.