Yes you can but it depends on what the criminal conviction is and whether it carries a prison sentence or not.
No you can not, working visa's are very hard to get in Australia and in 9/10 cases those with convictions let alone drugs convictions find it hard enough to just enter the country, let alone work.
Certain criminal convictions, such as those involving serious offenses like murder, sexual assault, or drug trafficking, can prevent someone from traveling to Australia. These convictions may result in a refusal of a visa or entry into the country.
To be eligible for the Australia 651 visa, you must be a citizen of a country that is part of the Electronic Travel Authority (ETA) program, hold a valid passport, intend to visit Australia for tourism or business purposes, and not have any criminal convictions.
To obtain an eVisitor visa Australia 651, you must hold a valid passport from an eligible country, have no criminal convictions, intend to visit Australia for tourism or business purposes, and meet health and character requirements. Additionally, you must apply online and provide necessary documentation such as proof of funds and travel itinerary.
You have to appeal to the Department of Immigration. If they won't let you in, even an order from the Prime Minister won't get you in, unless the law of the land is changed. Strict criteria must be met.
Australia E Visa
Yes, citizens of Fiji require a visa to visit Australia.
Yes, but you need a visa. (US citizens also need a visa for Australia. In fact, everyone except citizens of Australia and New Zealand needs a visa for Australia.)
yes. I need a visa to attend a training in Australia.
Yes, you can use a Visa credit card at McDonalds cafes in Australia.
If you are not an Australian citizen or permanent resident you need a visa to be in Australia.
You have to be maximum 30 years of age when you arrive in australia. then can you stay there for 1 year on the work and holiday visa. otherwise you need a diffrent visa