When you enforce assignment submission, students must complete and submit an assignment before they can move on to the next lesson. This ensures that students complete the assignment and don't skip it. You can also additionally add the minimum character requirement for assignment submission.
Click on the Admin Panel button.
Then select the course you have an assignment lesson on.
Select the Curriculum tab and select the assignment lesson you want to edit
Scroll down the page to the lesson settings section:
When a srudent submits and assignment, you can choose who can see the submissions.
Check the enforce character count and enter the number
Finally select the enforce assignment submission setting
Click the save button to update the changes
To view the submitted assignments, you can navigate to the course, and click the feed tab option
or, click the enrollment tab on the course edit page, and click on the assignment progress button
