Use these steps to make the Explanation field on the form Advanced tab visible.
To make the Explanation Field visible:
On the Navigation menu, click Administration ยป Workflow Type Configuration.
Select the Change Management workflow type for which you want to make the Explanation field visible.
Click Form Designer on the form toolbar.
In the Workflow Category Form Designer window, navigate to the Advanced tab and select the Explanation label and field.
On the Properties panel, select No for the Hidden property.
(Optional) To move the field to a new position on the form, select and drag both the field and its label.
Click OK.
Customize form elements using the Form Designer
Work with locked, hidden, or required fields