Tracking Completion of Activities Added Post Offering Completion

Summary:

We were unable to set up 2 learning activities in Oracle Learning prior to the ILT events being delivered. The rest of the activities are included in the Offering and some enrollees have already completed the offering. We now want to add these 2 learning activities as self-paced (so no outlook invites go out for a past ILT) purely for the purpose of tracking completion and the learning hours. Although I am able to create these self paced activities in the offering, they do not show as activities I can manually complete under Learners. How can I add these 2