The question requires matching predefined CyberArk Vault users to their specific roles and permissions.

• The Master user is the ultimate superuser with all possible permissions, including the management of all other users, aligning with the first description.
• The Auditor user has system-wide, non-intrusive monitoring and reporting capabilities, matching the description of a user who views all activities to produce reports.
• The Batch user is a non-interactive internal account used for automated, background system tasks like clearing history, as described.
• The Administrator user holds high-level system control and recovery responsibilities and cannot be removed from Safes, fitting the final description. This user has extensive permissions but not the absolute power of the Master user.

CyberArk Privileged Access Security System, Version 12.6, "Privileged Access Security Implementation Guide":

Master User: Section: "The Master User", Page 18 states, "The Master user has the highest level of authority in the system and can perform any task." It also notes the Master user can "add, delete, and manage all users in the Vault."

Administrator User: Section: "The Administrator User", Page 19 describes, "The Administrator user has complete system control... This user is responsible for the overall function of the system and manages a full system recovery when necessary."

Auditor Users: Section: "Auditor Users", Page 20 explains, "Auditor users can see all activity in the entire system... They generate reports about user and Safe activities..."

Batch User: Section: "The Batch User", Page 20 clarifies, "The Batch user is an internal user that carries out internal tasks, such as automatically clearing expired user and Safe history."