Confluence Page Properties Report Multiple Rows !exclusive! -

Ensure the page with the data has the exact label the Report macro is filtering for.

This article explains how to set up a "master-detail" system where child pages feed data into a single, sortable report on a parent page.

If you don’t have Premium or need advanced reporting, Atlassian Marketplace offers several apps that extend Page Properties:

Page Properties Report macro is natively designed to roll up key-value pairs from multiple pages, showing one row per source page