Northern Trail Outfitters has the Case object set to private. The support manager raised a concern that reps have a broader view of data than expected and can see all cases on their group's…

Dashboard Filters are used to narrow down the data presented on a dashboard and would not cause users to see a broader set of records than their permissions allow.

Dynamic Dashboards, when configured to run as a specific user (e.g., the support manager or an administrator) who has broader data access, will display data based on that running user's permissions rather than the individual reps' private sharing settings.

Dashboard Subscriptions provide email delivery of dashboard snapshots but do not inherently change the data visibility or permissions when the dashboard is viewed.

'Public Dashboards' refers to the sharing access of the dashboard itself, not the mechanism by which data is displayed or security is enforced within the dashboard content.