Self Paced Learning doesn't open pdf after enrolment

Summary:

I've created a self paced learning with pdf and a SCORM file. When I logged as an employee and enrolled, both are not opening.

I ran all the processes when enabled self paced learning, so not sure why it is not working.

Content (please ensure you mask any confidential information):

Created one PDF file and one SCORM file

Version (include the version you are using, if applicable):

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