Go to Reports and click Generate by the Best users tile to see the data for a chosen period. Next, find the user on the list:
If your Traffit account is used by many users, click Users above the list and choose a name from the drop-down, or start typing a name to get name suggestions.
To access more detailed statistics, go to Users, hover above the picture of a selected user and select Edit:
By default the Activity subtab will be displayed, with all the information you’re looking for: