Hey there chrvasile,
Hope you're well! :)
This is not a server-issue and what you see in demo is achievable :)
For your particular issue, I suggest you watch this on how to enable the services, testimonials, and employees feature: https://www.youtube.com/watch?v=Civ0pRZ4g4Q#t=13
Bookmark the documentation of the theme so you have future reference: http://athemes.com/documentation/moesia/
Hope it helps! :)
Take care,
Calvin