Which feature is NOT available in the sandbox environment when using the Trust Layer?

The correct answer is that General User Feedback Collection is not available in the sandbox environment when using the Trust Layer. In the context of Salesforce and its various environments, the sandbox is primarily used for development, testing, and training purposes. While many features are available to facilitate these activities, some functionalities, particularly those that deal with actual user feedback and real-world interactions, are limited or absent.

General User Feedback Collection often requires a live environment to gather relevant insights and feedback from actual users interacting with the system. In a sandbox, where users typically engage with a test version of the application or service, the level and type of feedback collected may not reflect real-world usage. Therefore, this feature is not supported in such environments to ensure that the feedback collected is meaningful and applicable to a production setting.

In contrast, the other features listed, such as Object Grounding in Data Cloud, Data Masking Setup, and Audit Trail Logging, focus on the configuration, security, and transparency aspects of data management and can be effectively utilized in a sandbox environment. These features allow developers and administrators to simulate realistic scenarios and ensure that any changes made in the sandbox can be validated before deployment to production.