To the best of my knowledge this is how it all works;
CASA - didn't approve they can only disapprove if all the criteria isn't met, if the operator ticks all the right boxes they can operate
ASA - can't disapprove but can only delay due traffic
Local council - can approve or disapprove.
VFR lane traffic, not all have two radios, not all are on the correct frequency (at all or when the broadcast is made)
If you fly through, be aware there could be parachutists. If you jump be aware there could be aircraft that have no idea you a there