ServiceNow HRSD (HR Service Delivery) enhances the efficiency of HR teams by unifying various HR processes on a single platform, allowing for streamlined operations and improved employee experiences. It offers self-service portals, automation, and robust case management to accelerate issue resolution and data-driven decision-making. By adopting best practices such as strategic alignment, collaborative engagement, and continuous improvement, organizations can fully leverage the capabilities of ServiceNow HRSD to transform their HR operations.