While configuring audit, user needs to enable option " Do you need mandatory remarks from auditors at checkpoint level?" which will result in getting mandatory remarks for all checkpoints from auditors.
(Enabling this feature will result in disabling express and lightening mode of execution)
Please refer to the link for more details.
https://drive.google.com/file/d/1SyZgjDPWWXLaKVGZZIGOo0ctCD-ye9PL/view?usp=sharing