A: Forms can be completely white labelled using your/client logo including custom domain for each form. For payments, you can connect to multiple Stripe accounts and link specific Stripe account with each form.
https://help.getformly.com/en/articles/9294365-payment-form

Admin/form authoring screens will have our branding/logo.

Note - Currently Account Owner and Admin can access All Workspaces, Forms and Results. Individual workspace level permissions will be available in the future (dates to be confirmed). If you just want to share results with clients/team members then that is currently possible, please see help link below.

https://help.getformly.com/en/articles/9236673-export-and-share-your-responses#h_55bae8e231