One-off posts rarely deliver much. A series of creators around the same moment does.
One post from one creator disappears in the feed. Five creators who touch on the same subject in the same week create the sense that something is going on. That effect is greater than the sum of the individual posts.
Content that performs well organically can, with permission, be used as advertising through Meta. That material almost always performs better than anything you have made yourself, because it doesn't feel like advertising. So arrange those rights in advance.
A question or project on this topic?