In Financial Option Setup in Purchasing "Use Approval hierarchies" flag is enabled for
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Employee/Supervisor Hierarchy
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Position Hierarchy
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Direct forward method of Documents
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Indirect forward method of documents
The 'Use Approval hierarchies' flag in Financial Option Setup enables Position Hierarchy-based approvals, where document routing follows the organizational position structure rather than employee-supervisor relationships. Employee/Supervisor Hierarchy (A) is a separate approval method, while Direct and Indirect forward methods (C, D) are document routing options, not approval hierarchy types.
In Oracle Purchasing's Financial Options, the "Use Approval Hierarchies" flag turns on the Position Hierarchy approval method, where documents route for approval based on job positions rather than the reporting chain of individual employees. This is distinct from the Employee/Supervisor Hierarchy method, which routes approvals directly through the supervisor field on each employee record and doesn't rely on this flag. The forward methods (direct/indirect) relate to how a document is manually forwarded, not to hierarchy-based routing.