Yes. After selecting the course you like to see as a student, go to "Options" menu located on the right hand side and click on "Student view"
Now, you will see your course as a student where you can solve problems in the assignments as student. Please note that Gradarius will also save your work as a student.
You can leave the student view any time by bringing your cursor on "Student View" located on the right hand corner and clicking on "Leave Student View"