Total Duration of the Funding is 3 Years. You can go for MS leading to Ph.D. and for Ph.D. in it.
But if you are going for MS leading to Ph.D., then the duration of this MS leading to Ph.D. will be more than 03 Years. But Vanier funding is only for 03 years.
Therefore, you have to look for extra funding for extra years in the case of MS leading to a Ph.D. Maybe a Canadian professor can give you some insights about it. But for Ph.D., you can avail of it for the full-time duration, which is Three years.
Study in Canada and USA is almost Same. Many Universities around the world cancelled GRE,GMAT,IELTS. You have a very good chance to get admission without IELTS Before Spring 2021.