For the highlighted invoice, any documents related to that invoice display in this pane.
Important: Index level security and groups will filter any documents that would otherwise display, but do not because the user does not have the security permissions to view tghem.
Click an invoice document entry to open in a new read-only window.
This allows you to view the document in a new, separate screen so you can review it while continuing to work in Sage Paperless Construction.