The software engineering landscape has shifted from logic-driven applications to data-driven experiences. This shift has created a trend around fine-grained authorization, which is gaining traction as systems become more distributed and users become more sophisticated. Fine-grained authorization goes beyond traditional roles-based access control by considering user attributes, resource relationships, and real-time context. The rise of microservices, user expectations, and exponential data growth makes fine-grained authorization essential, not optional. Users are no longer just consumers but collaborators, owners, and privacy-conscious stakeholders, requiring permission features that enable new types of experiences. To implement fine-grained authorization, developers can lift and shift their existing Role-Based Access Control (RBAC) into finer-grained models like Attribute-Based Access Control (ABAC), ReBAC, or Policy-Based Access Control (PBAC). Externalizing authorization allows for decentralized decision-making, real-time context, and fine-grained decisions. The Policy Decision Architecture is crucial in making these decisions efficiently and securely. With the right tools and operational steps, developers can create a fully functional, secure, fine-grained access control system, offering users a better authorization experience.