Yes. but please open a ticket with our support department.
Should you contact your bank or credit card company to decline, chargeback or otherwise reverse the charge of any payable fees to us (“Chargeback”), we reserve the right to and your account may be subject to suspension or termination. If you have questions about a payment made to us, we encourage you to contact our team before filing a Chargeback. We reserve our right to dispute any Chargeback

To find out how to change your nameservers for plesk, click here.
To find out how to change your nameservers for cPanel, click here.

Logging into your VPS is very easy and simple, you can use RDP (windows) or putty (linux).
For windows servers, you can find our guide here.
For linux servers, you can find our guide here.