In sketch, with two different levels of structure (main floor and a 2nd floor with a smaller foot print) where some of the roof is above a single story and some is on the 2nd story, is there any way to get these all on one roof level in Xactimate?
Since I didn't find anywhere the solution for your inquiry, I strongly recommend checking the available PDF file. It's comprehensive and contains all the necessary information related to how the program works and how to work with the software.
You can use the following link to save the PDF file: http://www.xactware.com/pdf/xactimate-users-guide.pdf
You also need a compatible PDF reader. Use one that you can find through the following list.