There are two ways you can add the advertiser to your Trackier Dashboard. You can add the advertisers manually tor they can sign-up directly and you can approve their status.
To find the advertiser Sign-up Link, you can follow these steps-
1- Go to your domain
2- Click on 'Create account"
3- At the bottom of the page you will be able to see the "Are you an advertiser" option. Click on it.
This is your Advertiser Login Page. You can share this link with your advertiser and they can log in directly.