Your company pilots that have only a 107 certification have to follow ALL of the rules under 107 during each (and every) flight they conduct with any drone. Whether they are making money, or are on the clock at work is irrelevant. If they want to...
I can definitely see not allowing company equipment to be used for personal recreational flights.
I would not use my own personal equipment for company work.
If your employees fly recreationally on their own time they need to take the TRUST...