Hello Jane, sure you can withdraw your tokens any time you want. Here's an instruction for you:
1. Login to your personal account on adhive.tv
2. Specify your own ETH (ERC20 compatible) wallet
3. Click on "Withdraw ADH" button and specify number of tokens, submit your 2FA code (TOTP-code) in case your activated 2FA function
4. Check your personal mail and confirm tokens transfer