An Admin or a Manager with the Create Standalone On the Job Training permission can create and manage their Standalone On the Job Trainings.
To copy a Standalone On the Job Training to a course head over to the On the Job Training's manage page and select Copy to Course from the left panel.
On the next page, you will see a list of all the courses you can copy this Standalone On the Job Training to. You can use the search bar or filter by category to find the course you want to. Then just click Copy to add this OJT to this course.
Please note that the task instructions will not get copied to the course On the Job Training.
After you copy this On the Job Training to the course, it will appear as a new, not visible item under the course's Edit On the Job Trainings page.
From there, you can manage this On the Job Training as a new, course-connected On the Job Training. The previous Standalone On the Job Training will continue to exist as a Standalone On the Job Training.