You have to enter the Parents Sponsorship lottery. This has not been open since 2020. If it reopens one of your children must meet income requirements for 3 consecutive years. It is lottery for 15K spots and hundreds of thousands of profiles. Right now they are only selecting from the 2020 pool of over 100K profiles. You are years away from PR, or you may never be selected. You are on a super-visa which is the next best option so you can stay in Canada as a visitor.
