When I needed to authenticate Canadian documents for overseas purposes, I was a little confused by how things had changed. In Alberta, the apostille and authentication process had become a little more complicated due to new requirements. I looked for a solution and found
https://www.legalizationservicecentre.ca/apostille-alberta/ , a service that not only handles these changes, but also helps with documents across Canada. This service is a real time saver and hassle-free.