To see what article is scheduled/queued click on the "Outbox" tab.
Any articles that are scheduled to post at your next available time will be under the header "In Progress" or "Scheduled" (depending on your level of automation). To see which platform your article will be shared to simply look at the icons on the left-hand side of the article title.
Note: [F] icon is Facebook, [in] icon is LinkedIn, [Bird] icon is Twitter, and [</>] is website posting.
For accounts on semi-automated queuing, you can approve the article by clicking the thumbs up button by hovering over the date or for those on automated-queuing, click the thumbs down button to decline the post.