1) Ensure the Manager has been assigned with ‘Appraisal Manager Group’ under Personnel > Processes > Access Right
2) Go to Company A hierarchy > locate the approval Manager > click <View> under ‘Up Line View’ column > click <New Manager>
3) In ‘Manager’ field, assign ROOT or the Reporting manager of this approval manager
4) select the Effective date and click Create button to add Manager from Company B into Company A hierarchy