When you complete a course that is CE certified you will have a copy of your certificate available for you in your Learning Portfolio.
To access this document navigate to the link at the top of the screen labeled "My Learning Portfolio". On the results screen the results are organized into 2 categories (Scenarios, and Courses)
To select an option click your choice on the middle of the screen.
If you are looking for a CE certificate select Courses then find your course and click the blue icon on the right of the screen.