With regular Tor > Web traffic, yes the exit relay (last hop) is able to tell the destination and can gather other metadata or intercept/modify unencrypted traf

With regular Tor > Web traffic, yes the exit relay (last hop) is able to tell the destination and can gather other metadata or intercept/modify unencrypted traffic. With Onion Services however, there is no exit relay. Services are encrypted end to end between the client and the hidden service.