From WordPress Dashboard #
When using SPINNR in WordPress, you can access the Page Builder through the following
Page list #
Through Pages, Posts or Custom Post Type list pages – hover an item on the list and click Edit in SPINNR

Admin Bar #
Through the admin bar when viewing a page, post or custom post type – click Edit in SPINNR

WordPress page editor #
In the wordpress page editor, using the Edit in SPINNR button. This wdget can be moved to the right side panel

Directly from SPINNR #
You can also access all your created pages directly in SPINNR. Just go to Companies → select your project → click on the View button.