Hello,
Sorry for the delay.
After import some pages you may go to Pages > find and edit imported page, if you want to use elements from imported page on your own page simply copy content from first one http://prntscr.com/gkm3wb
and puts it in the end of new page http://prntscr.com/gkm4ja then click “BACKEND EDITOR” button and edit elements of the page using Visual Composer http://prntscr.com/gkm51p.
Please try and let me know result.
Feel free to ask if you have any other questions.
Regards