Create or modify a sharing set for the Profile used for the Site that gives access to Cases. This is the lowest-customization answer that still satisfies the business, security, and lifecycle requirements.

The Core Concept Explained: Experience Cloud design is driven by persona, authentication, scale, and sharing. The wrong template or license can create unnecessary cost, weak security, or excessive customization.

Step-by-Step Technical Analysis: Begin with the external persona, authentication requirement, and transaction volume. Select the Experience Cloud license or template that matches that access pattern, then configure sharing sets, external OWD, site visibility, and page access. Finish by testing the experience as anonymous, authenticated, and internal users. Create or modify a sharing set for the Experience Cloud user profile.

Why the Incorrect Options Are Wrong: B shifts the process onto Case even though the scenario is centered on application, license, permit, grant, or inspection records. C shifts the process onto Case even though the scenario is centered on application, license, permit, grant, or inspection records. D shifts the process onto Case even though the scenario is centered on application, license, permit, grant, or inspection records.