In the All Payments report, change the setting from "Activity in My Group" to "Activity in My Organization" to include all child group records.
Navigate to Reports, select the Journal report, customize the period, and filter by "Journal Entry" to view all notes and annotations. View All
You can view all updates by creating a new Note report, then using the (Columns) View and Add Column to select Name of the Project. In the All Payments report, change the setting