In the pro theme, you can disable the wordpess link and author link and add your owwn footer copyright information.
To configure this, please refer to this video or follow the instructions below.
Please follow the below steps to Add Footer Copyright information.
- Go to Appearance > Customize > Footer Settings
- Add your Footer Copyright Information
- Enable/Disable the Hide Author Link.
- Enable/Disable the Hide WordPress Link.
- Click on Publish