If the "View All" link on a dashboard isn't working, check the PA (Performance Analytics) dashboard filters. Make sure the lower filter matches the primary filter.
Use the "View All Report Comments" button on the Inspect tab to manage, edit, or proofread all comments in a report from a single screen. Key "View All" Issues and Tips A report to view all lead activities - HubSpot Community
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.