Am I able to withdraw cash using my apple credit card?

No. See the following from https://www.goldmansachs.com/terms-and-conditions/Apple-Card-Customer-Agreement.pdf

USING YOUR ACCOUNT

You may use your Account to make Transactions. You may not use or permit your Account to be used for:

• Any illegal purpose, including in connection with unlawful domestic or international gambling websites or to purchase illegal goods or services;

• Cash Advances and Cash Equivalents;

• Any purpose in any country or territory that is subject to economic sanctions administered and enforced by the U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC), or with any person or entity subject to these sanctions; or

• Paying any debts to us.