With what program are you working, Photoshop Elements 13 or Premiere Elements 13? And, on what computer operating system is it running?
Are you in Premiere Elements 13 Editor or Elements Organizer 13 that comes with Premiere Elements 13?
If Premiere Elements 13 Editor
If Elements Organizer 13
Photoshop Elements 13 and Premiere Elements 13 are standalone programs, each coming with an Elements Organizer 13. When they are both on the same computer, they share the same Elements Organizer 13.
Please supply more details. Photoshop Elements questions should be placed in the Adobe Photoshop Elements Forum.
In the Photoshop Elements 13 Editor, there are opportunities for Share/which include Facebook and Twitter, and there is a Create/Facebook Cover choice in the Photoshop Elements 13 Editor..
We will be watching for your follow up so that we can decide if you are in the correct forum.