Yes, once you have registered and created an account with Sotheby's, you can access your active purchase information under the My Account section of the website. Here, you can view your open invoices per the corresponding auction or sale.

Please note that while your open invoices and account information are accessible through My Account, paid invoices from previous sales are not listed. If you require assistance or information regarding a past paid invoice, please do not hesitate to contact Post-Sale Services for further assistance.