The "Send to Next Step" button is missing for the currently with user of a pre-approved requisition.
SAP SuccessFactors Recruiting Management
The button was disabled in Form Template Settings.
Go to Admin Center -> Form Template Settings and click the requisition template tied to the effected requisition. If the option "Disable Send button" is checked it means the Send to Next Step button is disabled. Un-Check this setting and click Update Form Template, the Send to Next Step button should be available again.
Disable Send button , KBA , LOD-SF-RCM-MAP , Routing, Route Maps & Workflows , Problem