Definitely. To be on the safer side, I suggest using legitimate dealers, companies or use an escrow to make the trade safe. There are vast majority of ways to cashout. From local bitcoins to selling on escrow powered platforms like local bitcoin or selling directly but only with a trusted third party.You can cash out your crypto if you want to by requesting a withdrawal on the exchange where your coins/tokens are.
Before the withdrawal process, its your choice to sell/trade first to other coins or directly to fiat currency. If you are transferring it to a third party app/service, make sure you are using the official and legitimate one to avoid loss of your money.
For it to be converted in usable fiat, you still need to "trade" it from a cryptocurrency to the fiat of your choice. Though most international operating exchanges only supports limited, most-used fiat, such as USD. In which the exchange could send the USD to you via popular payment portals such as PayPal.How do you cash out when you've made profit from trading crypto?