#1. I want to add some text under my logo.
#2 You need to create a custom hook using visual composer from visual composer-> Settings
#3 After that you need to add the custom hook in your desire module template file. ( for us it is smarttopnav.tpl)
#4 Now create a new block using visual composer- >content any where then assign your new created hook
#5 Now your new content show in new hook. :)