You can use html in the pagebuilder with 2 function: Visual or Text
First you can go to Appearance > Page Builder
Then you will see the “Available Blocks” on the left side.
Choose “Text” Box or “Visual Editor” Box
Drag it to Template section then klik Save Template
After that you can edit your HTML into “Visual Editor” section or “Text” section.
For the “Visual Editor” section, you can only add your HTML into Text Option.