People may be required to go for Australia police checks for various reasons but more specifically for certain job types and professions that call for such checks. If you have been asked to go for it or if you just want to check what may be held on record for you then you could definitely go ahead and apply for a police check Australia which can be done through one of the various methods available.
The easiest way and the method that people usually show preference for would definitely be applying for an AFP police check online and this can easily be done through one of the websites that offer such a service. You should just ensure that the service would be affordable and that the website that you refer to for such a service can be trusted for reliable and accurate information.
If you want to find out which professions would require that you have a police check then you can look for information on various websites available online but to give you an example of such professions, security related tasks along with those involving children and vulnerable individuals would usually be the ones where you would be required to have a police check. You should therefore be aware of this.