Your customer has the requirement where both sales non-sales employees are included on a single...

You can hide the Lump Sum column on the compensation worksheet using Field-Based Permissions. If the column is hidden on the worksheet, it won't appear on the statement.

You cannot do this with a single statement template; a second template must be created to include this item statement groups used to assign the templates appropriately.

You can include the Lump Sum item in the statement template put a disclaimer in the signature section alerting non-sales employees that that item pertains only to sales employees.

You can include the Lump Sum item in the statement template set a condition on its display so that it will only be shown if it is greater than 0.