If you have Business Central On-line, you can setup the Security Group in the Azure AD or Windows AD and then pull it in Business Central.
With the security group, it can be easier for administrators to manager user permissions.
Step 1 - Create MS 365 Security Group
1.1 Go to Microsoft 365 Admin Centre
1.2 Select Active Teams & Group and then click the action button "Add a Group" in the page of Active Teams & Group
1.3. Run through the wizard to complete the setup.
Step 2 - Add the Security Group to BC
2.1 Search for "Security Groups" in BC and then click "New"
2.2 Click the button on the field "Microsoft Entra Security Group" to select the group is created in Step 1
2.3 After the security group is added in Business Central, user can
Step 3 - Assign members to the Security Group
3.1 Select the Security Group and then click action button "Members"
3.2