I am a trader. I know some website like binance, yobit, hubai, coinexchange etc. They have usd exchange but not available skrill, perfect money, netller, paypal withdrew option. Anyone can share some website then i withdrew my USD on skrill, perfect money, netller, paypal website.
You can check Localbitcoins or check this site
https://blockchain.com.doExchange Bitcoin to Cash , Bank account or paypal on Blockchain.com.do