The Show, Hide Approvals section columns options of the Approval Global Configuration screen allow hiding one/more columns of the Approvals section displayed on the issue screen.
By default, the Approvals section shows the Approval Name, the Approval Detail, the date/hour of the email notification and the actions buttons.
The screenshots below show, on the right, the Approvals Section displayed on an issue based on the Show/Hide Columns of the Approval Section settings on the left.
E.g. Requirement is Approval Name and Request Notification fields must be hidden.
Approval Global Configuration screen
JIRA issue screen
E.g. Requirement is Approval Comment must be hidden.
Approval Global Configuration screen
JIRA issue screen