Of course! Moreover, on the same day they fell on your wallet. Experience has shown that after the distribution of tokens, they fall in price by 2-5 times. In any case, then you can buy them at a reduced price!
if the token has a market, of course you can sell it, but in reality there are many tokens that do not have a market so they only become displays in the wallet. so not all Bounty results tokens can be sold.
and usually your token first enters the market the price is still low but after entering the second or third market the price usually goes up when it is a good time to sell.