Step by Step:

You can find captured signatures online in your account. Below is a step by step process of accessing and printing a receipt with signature. 

Step 1: Log into
Step 2: Tap Transactions.
Step 3: Click on Transaction ID. 

Step 4: You will see the signed receipt, and have the option to email the receipt to the customer.

If you'd like to print the receipt, simply print the browser window.