I talked to immigration office lawyer today about TPS EAD.He said even if your TPS application is not yet approved you can still apply for SSN and start working once you get your TPD EAD without any worries.Do guys have the same issues like mine. I got my EAD but not yet  approved tps application?plxxxx suggest.
U can aslo see the link below if anyone of you needs additional information.
http://www.nolo.com/legal-encyclopedia/frequently-asked-questions-about-temporary-protected-status-tps.html