Here is the description of how to assign commissions to your employees:
1) Go to this page https://my.iconnectpos.com/EmployeeServices
2) Chose employee from drop-down list
3) Select Product Commission Tab
4) Select 50 items per page http://prntscr.com/g3z4cb
5) Adjust commission in bulk & check "Is percentage" check box. http://prntscr.com/g3zc0c
6) proceed to next page
The above steps have to be done for each employee individually.