In your store's Admin area, go to the Design > Blocks
Forms block allow you display in Storefront any custom form made with Design > Forms Manager. Add additional contact forms, online surveys and more in just a few minutes without writing code.
go to Design > Forms Manager page.
fill the following fields:
Custom Block Name : block name visible in Admin > Design > Layouts
Custom Block Title: name shown on Storefront
Use block wrapper (appearance): recommended value is Automatic
Use block's frame: set ON to display frame
Custom Block description: internal use only - not required
Form: Select available form source.
added to desired page in Admin > Design > Layouts.