You can preview the Inventory report document in the 'Report Editor'
From the Home dashboard and under the heading 'Operations' select 'All Jobs'
Select your Job from the list and from the Job Details screen select 'Report Editor' from the tabs at the top of the screen.
In the 'Report Editor' select 'Rooms' from the left hand side of the screen.
Click on the 'View PDF' button under the heading 'Paperwork'
In the 'Report Editor' select 'Report Layout' from the left hand side of the screen, you can also add page breaks here.