Redwood Additional Person Info page make only some EFFs read only while some editable

Within the Additional Person Info(Person Extra Information section). Employees should have the capability to add their cultural background details, whereas the Performance Ratings information should be set to read-only. What steps can we take to accomplish this on the Redwood page? We have eliminated the 'Manage Person Extra Information by HR' role from the employee's access, resulting in their inability to modify any extra information.

1.Additional Person info Cultural Background employee needs edit access

2.Additional Person info AXP Performance Ratings employee needs edit access