How to convert byte array of uint8 to readable FString?

This does the trick

TArray<uint8> content;  
const std::string cstr(reinterpret_cast<const char*>(content.GetData()), content.Num());  
FString frameAsFString = cstr.c_str();  
UE_LOG(VRSLog, Warning, TEXT("%s"), *frameAsFString);