Edpuzzle automatically syncs with your Schoology Gradebook. So you can check your students' progress from there. If you want more detailed information you can click on the assignment or go to the Edpuzzle tab on the left-hand menu.
When you click on the assignment you will see who watched the video and who didn't. For individual information click on the student name.
You can also check the class progress for each question.
1) Click on "Questions" in the class progress report.
2) Click on the specific question you want to check the answers.