This document explains the SiteStatus field in the Document Information Table when viewing in KB Admin Tools.
When reviewing document in the KB Admin Tools the "Document Information Table" is found at the bottom of the screen. Among the metadata in this table, is the SiteStatus field which :
The image below shows the Document Information Table for a test document:
The SiteStatus field (circled in red in the image above) shows that the document is Active for the Demo space and In Review for the Child Demo space.