How to share a payment link to my user from my admin?

You can share a payment link to your users from your admin panel. Go to Orders > Orders section in StoreHippo admin panel. Click on the unpaid order for which you want to send the payment link. In the details of the order, click on the Receive payment button. Clicking on this button will send the payment link to the customer.

For more information, please refer:
https://help.storehippo.com/topic/orders