Implementing Role-Based Access Control (RBAC) in a React application enhances user experience by managing user permissions dynamically based on roles, facilitated by Permit.io. This tutorial guides users through building a project management app, emphasizing the setup of roles, resources, and actions using Permit.io’s dashboard for defining permissions. It highlights best practices, such as backend enforcement for security and frontend toggling for user experience, ensuring a consistent permission model across the tech stack. The guide also stresses the importance of audit logs for tracking access decisions, which Permit.io provides, enhancing security and debugging capabilities. By centralizing permission logic using a custom hook, developers can efficiently manage permissions in React components, ensuring a scalable and maintainable RBAC system.