HttpClientFactory and typed-client?

I’m new in implementing HttpClientFactory. I’ve read a document about ways to implement.
in my code there are services and its interfaces so I want to use typed-client. but I have a question?! in typed-client, we don’t use HttpClientFactory directly so where is the benefit of the HttpClientFactory?
this is my code to register service:

var clientConf = configuration.GetSection(nameof(ClientConfigs));
builder.Services.AddHttpClient<IClientService, ClientService>(c =>
{
    c.BaseAddress = new Uri(clientConf.GetSection("EndPoint").Value);
 }).AddHttpMessageHandler<ServiceCallRequestHeader>();

this is ctor of my service:

  public ClientService(HttpClient client, ILogger<ClientService> logger)
    {
        _client = client;
        _logger = logger;
    }

>Solution :

In Typed-Client, Dotnet uses HttpClientFactory to create the instance of HttpClient, using that instance they will create your client/class instance. So in the end, even if you are not using HttpClientFactory explicitly, you are using it.

Below is the internal code that does this

Source: HttpClientBuilderExtensions.cs