To receive an OAS pension in Canada, you can apply as long as you meet the identity and residence requirements and your annual income is below a certain amount.
However, CPP is only applicable to Canadian citizens or PRs who have worked in Canada and paid CPP at least once through payroll. At the same time, the individual amount of CPP varies from person to person, affected by many conditions such as income, length of residence, marital status, etc. You can find the CPP calculator through the link at the bottom of the screen to make a preliminary assessment.