There is no
FAQ directly addressing this, so the intended interaction is unknown. The best guidance available is this
FAQ answer:
Q: How do The Laurels of Command and Superior Tactical Training interact? For example, my Warlord is a Cadian Company Commander and I give him The Laurels of Command and the Superior Tactical Training Warlord Trait. How many orders is he potentially allowed to issue each turn, and how many units can those orders affect?
A: If he issues an order to a Cadian Infantry unit within 6" (unit A) using his Voice of Command ability, first roll a dice for Superior Tactical Training; on a 4+, you can pick another Cadian Infantry unit (unit B) within 6" for that order to affect. Then roll a dice for The Laurels of Command; on a 4+ he can issue a second order to the first unit (unit A). You can then roll again for Superior Tactical Training; on a 4+, you can pick another Cadian Infantry unit within 6" for the second order to affect (this does not have to be unit B, but can be).
Note that when you use Superior Tactical Training, an order is not issued – rather, an already issued order affects an additional unit. So you cannot use The Laurels of Command to generate further orders as a result of using Superior Tactical Training, but you can use Superior Tactical Training to make secondary orders caused by The Laurels of Command affect an additional unit.
For simplicities sake, I would treat the
Balance Datasheet ability as if it was a powered-up
Superior Tactical Training.
Therefore each time are allowed to issue a second order due to Laurels of Command, you can select one unit to receive a second order. While that order can be spread to additional units, there is no guidance allowing that spread order to be a second order for a unit.