Hi Debra,
Welcome to Box Community and glad to assist!
Currently you're on Business Plan and to confirm your Box upgrade to utilize the "Ready-Sign Link feature." You may contact our Billing team by creating a ticket or email them using billing@box.com.
Note: The ready-sign link feature is limited to Enterprise + customers and not available to Box Verified Enterprises. To learn more about Box Verified Enterprises, click here.
Thanks for posting!