It is quite possible that Home Office officials will want to talk to your sponsored workers.  This provides them with an opportunity to directly ask sponsored migrants about specific employment details such as their current salary, duties, and responsibilities.
This should not present a problem if you / your Level 1 user have entered all relevant details of sponsored workers employment into the Sponsor Management System (SMS).  Our immigration experts can take over Level 1 or Level 2 user role for you, assisting with the information required is kept up-to-date.