Pending means that the transaction hasn't cleared in your Vonza platform yet. It may take 1 to 3 days to clear and then it will be transferred to your bank account via Vonza Payout.
Withheld Pending means the initial payout has been transferred to your bank account and only the reserve (10% withheld) is pending to be transferred to your bank account which will be automatically transferred on the 46th day after the transaction.
Read more about Reserve here RESERVES