To know how you can access transactional Emails, click here.
From the manage section of the specific transactional email, you can send a test email to your own email ID to preview the email as a learner.
How To Preview As A Learner
Click on Manage next to the email which you want to preview as a learner
In the next screen, click on send a test email
In the pop up enter the email ID where you want to send the test email and click on send a test email