Procurement Orchestration software centralizes employee buying requests through a unified intake layer that routes, approves, and coordinates procurement activities across finance, legal, security, IT, and other stakeholders. Rather than replacing existing systems, it sits above ERP, source-to-pay, and spend management platforms to orchestrate workflows, enforce policy guardrails, and synchronize data across disconnected tools. The category encompasses guided intake forms, intelligent request routing, parallel cross-functional approvals, supplier and contract matching, and lifecycle tracking from requisition through invoice. Originally focused on workflow automation and system integration, the category has evolved to incorporate AI-powered intake assistants, policy recommendation engines, and predictive routing that learns from historical approval patterns. This orchestration layer addresses the fragmentation that occurs when procurement processes span multiple departments and legacy systems that were never designed to work together.