You should be able to prove the relationship between you and your family members, have sufficient financial resources to support them, and have a valid immigration status in Canada while applying for a visa for a spouse, children, or parents to come to Canada. You will need to fill out forms and attach relevant documentation with the forms for IRCC. Ensure that this application is complete and correct; it could take time, but this may help avoid delays. It is also recommended that, if necessary, professional advice be sought. Following these steps will help in successfully bringing your loved ones to Canada.