Some universities offer a general postgraduate degree in pharmacology. This option will likely include a broad array of subjects with some options to elect subjects particular to your areas of interest.
Research-based postgraduate degrees in pharmacy will require you to submit a thesis based on your study in a chosen area. This degree also further prepares you for a doctorate in pharmacy, should you wish to pursue your studies even further.
A postgrad qualification shows that you have taken extra effort and have gained a deep understanding of the concepts of pharmaceutical work. It could be the deciding factor between you and another candidate when it comes to finding a job in the pharmaceutical industry, which is a field that is becoming increasingly competitive.
Most Master of Pharmacy courses are eligible for Austudy. You can see which universities in particular are eligible here.
There are also hundreds of university sponsored scholarships for which you might be eligible. Review them all here.