We have 3 companies and 3 employees

Company A,  Company B, Company C

Employee A on-boarded under Company A

Employee B on-boarded under Company B

Employee C on-boarded under Company C

Employee A is Manager and Coach of Employee B and Employee C

All approval requests and access etc of Employee B and Employee C should go to Employee A from Company A

How we can achieve this configuration ?

We are using Odoo Version 17.0