Enroll Button not visible in Community Course

Summary: Learning Specialist assigned a community to Employee where in the Community there is a Course -> Offering -> Activity

When Employee login and clicks on View my Learning Community button and click on the Course then he do not see the enroll button to enroll the course.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable): 24B - Redwood

Code Snippet (add any code snippets that support your topic, if applicable):