The most famous business immigration program in purpose to live permanently in Canada are self-employed and start- up visa
It is not active at this time.
You can buy a business in Canada and apply for work permit to run your business. You need to get LMIA
Notice: This is not permanent residence application, you re going to apply for work permit and if you are eligible then you may get two years work permit and there is possibility to renew that work permit if you meet eligibility.
If you are employees who are working in the capacity as executives, senior managers and functional managers of multinational companies with a branch, parent company, affiliate or subsidiary in Canada then you can apply for work permit with a job offer from your company. You do not need LMIA to apply for work permit.