Thank you for the answer.
My client writes his articles in Joomla backend.
He doesn't really know how to maintain a website, so the whole Construckt is set up so that he writes his articles in the backend, where it is exactly defined which article appears where and he doesn't first select the page to then enter a new article there.
The way to create an article directly via the page builder will probably be too complicated for the customer.
I mean there is the possibility to create an article in the J-Backend.
There is the choice to do it via Joomla-Editior or via Page Builder.
If I choose the Page Builder, I have much more possibilities to design the article.
Therefore, I thought that it would be possible to publish an article created in Joomla backend through Page Builder over a page created with Page Builder.