Require Completion of Multiple Offerings Under One Course

Content

Hello all. I need to make specific PDF documents required for viewing by a group of new hires. I have created a course, which holds all the documents by creating offerings for each pdf. Each offering then has the associated activity(pdf content). I went ahead and created an ongoing initiative for these employees to make the course required. I then created the associated offering as required.

 

I was successfully able to get the one course and offering required, but how can I make it so the other offerings are required? Is that possible to make like 3/4 of the offerings required? The course should only be marked complete after all the required offerings are completed.