What are all the methods to route document for Approval in Purchasing module
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Position Approval hierarchy
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Employee/Supervisor hierarchy
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Position approval and Employee/Supervisor hierarchy
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Position approval, Employee/Supervisor hierarchy and Advanced approval support for documents
Purchasing supports multiple document approval routing methods: Position Approval hierarchy (based on organizational positions), Employee/Supervisor hierarchy (reporting relationships), and Advanced approval support for documents (more complex approval workflows). Options A, B, and C are incomplete - all three methods are available.
Oracle Purchasing supports multiple approval-routing methods for documents: Position Hierarchy approval (routing based on job/position rank), Employee/Supervisor Hierarchy (routing based on the reporting structure defined on employee records), and Advanced Approval Support, which layers additional rule-based routing (e.g., dollar-limit rules, document-type-specific rules) on top of either hierarchy. Because Oracle Purchasing supports all of these approaches depending on configuration — not just one exclusively — the option combining all three ('Position approval, Employee/Supervisor hierarchy and Advanced approval support for documents') is the most complete and correct answer.