SV - Masters Degree = you are not allowed to work full-time but your spouse can work for full-time to sustain your financial needs.
if not Masters Degree, both of you are not allowed to work full-time. makakamura ka lang ng tuition as per consultants if not university.
in addition, for 2yrs or more than 2yrs of study, after the course, you have the rights to work for 2 yrs in AU. be lucky to get a sponsor or let's say, dapat yung course mo nasa SOL or CSOL for skilled migration - 190, 189 visa if im not mistaken.