Hi there,

Thanks for contacting with us. By default, this feature doesn't exist inside the Page builder or Helix.

You can apply tricks

1. Create a module position
2. Publish a module using the page builder
3. Write down the CSS code to the fixed right or left sidebar https://drive.google.com/file/d/1Cb_d5kziW6_nh5g7_55tYUTjXVtqIyD8/view

-Thanks

Create a module position

Hi. I think you do not need to create a new position and place it in the template. The module can be published completely in any of the existing positions. The best place - menu position or logo position