Agentic AI is entering the enterprise faster than leaders can assess its implications. Most conversations focus on capabilities or pilots rather than what changes when agents begin coordinating, deciding, or acting autonomously. This report introduces a four-mode decision-making framework, distinguishing between architectural factors and deeper organizational shifts, to help leaders classify agentic systems’ impact and make well-informed investment and operational decisions. It offers a practical lens for cross-functional decision-makers to evaluate where real operating model change is happening and what it takes to make that change safe, effective, and scalable.