You can modify the information and permissions of Custom Roles as follows:
Step 1: From the menu, select IAM > Roles. The system will display the Role Management page.
Step 2: Select Action at the end of the Custom Role you want to update from the list.
Step 3: Modify the Role information.
Note: When a role is modified, it will affect the access permissions of all users in the user groups that have that role assigned.