There are different sections in the 'Posts' page of the platform, where you can find different type of posts. Those can be reached by clicking on the different tabs in the navigation bar at the top of the screen.
Active posts is where you will find any posts that are currently available in your content library
Pending posts is where you will find all of the posts that you have created but are not set to be published until a future date. You can set a post to pending by changing the start date on a post when creating it.
Here is where you will find any posts that have been previously archived. From this tab you can also unarchive posts.
Here is where you can find any suggested posts from users. You can create posts from suggestions or you can dismiss them from here.