Install in the module, got to Noahs Settings and enable the content types you want to use Noahs Page Builder.
- Go to https://mysite.com/admin/structure/noahs_page_builder
- Click on Noahs Settings
- Enable the content types do you want to use Noah's
- Create a node of the previously selected content type
- Save the node and then in the Drupal Tabs you will see the new tab "Edit with Noahs"