Does the Tip Percentages on POS Profile determine the Tip options in the Poynt Terminal?

The percentages you configure under POS Profile does not change the percentage options on the Poynt terminal. It only changes the percentages if the transaction was using a card on file.
For transactions processed on the Poynt Smart Terminals, it would be the settings in Poynt.net that controls the prompting and percentages of tips. We would recommend reaching out to Poynt support or reviewing their documentation on how to configure tips on Poynt terminals.