This is going to be one hell of a tough fight. Regarding ANA if they dont cooperate, than PA should keep all options open on the table i.e to hot pursuit fleeing targets, drone strikes and even surgical strikes on hideouts. Things with Afghanistan are becoming better since Ghani resumed office but frankly speaking the Indian sponsored anti Pakistan clout will keep him occupied to openly support Pakistani effort by enforcing complete blockade on their side of the border which is why our options should be open that is to not allow rats to flee and hit even if that means going into Afghanistan and taking them out.
Best of luck to our Jawans and Godspeed. May Allah swt bless its blessings on you.Ameen
US drones are the least of our worries specially considering they would really be doing us a favour attacking our most wanted criminals.