Hi @perspecto,

I hope you are well today and thank you for your question.

Currently it is not possible for the specific page but whole site as described on the following pages.

https://siteorigin.com/page-builder/exporting-content/

https://github.com/ThemeFuse/Unyson-PageBuilder-Extension/issues/20

http://manual.unyson.io/en/latest/extension/backups/index.html

Best regards,
Shufflehound team