1. SAP S/4HANA 2023 Help Portal
"Authorizations for Resources": This official documentation details the authorization object CAPORES. It explicitly lists the authorization field APORESGRP (Resource Group)
which allows for authorization checks based on the resource group assigned to a resource. This confirms that using a resource group is the designed method for this type of access control. (Path: SAP Help Portal -> SAP S/4HANA 2023 -> Product Assistance -> Enterprise Business Applications -> Manufacturing -> Production Planning and Detailed Scheduling (PP/DS) -> Security -> Authorization Concept in PP/DS -> Authorizations for Master Data -> Authorizations for Resources).
2. Liebich
M.
et al. (2022). Production Planning with SAP S/4HANA. SAP Press. In Chapter 4
Section 4.2.1
"Resource Master Data
" the concept of a resource group is introduced as a freely definable attribute for grouping resources. In Chapter 16
on system configuration
the use of authorization objects to control user activities is discussed
which leverages master data attributes like the resource group for segregation of duties.