Returns detailed information for a single approval workflow identified by approvalWorkflowId, including the approval process template, submitted content, current overall status, and step-by-step assignee/approver state.

Use this endpoint when an agent needs the full workflow timeline after listing workflows (for example from GET /integration/v2/approvalWorkflows). The response includes both workflow-level fields and nested step-level decision state.

Glossary: approvalWorkflowId — Unique identifier of an approval workflow instance. approvalProcess — Named template defining routing and approval steps. stateChangedBy — User who last changed the workflow or step state.