Admin gets email notification on Customer ask a question Submit the answer Report abuse answer Customer gets email notification on Submit the approved answer of asked question
Yes, it can be manage from the backend Question email notification can be manage from Stores > Configuration > Magediary > Product Questions > Question Email Notification Answer email notification can be manage from Stores > Configuration > Magediary ...
To auto-approve the answer, set the following configuration to Yes Stores > Configuration > Magediary > Product Questions > Answer > Auto Approve New Answer : Yes