The short version is a writing task
Your article and your carousel serve different reading moments. Copying an introduction onto a slide rarely gives you a complete social story. Choose the main point, make the opening specific and decide what a reader should take away.
Doing this beside the draft makes the decision easier. You already know which examples support the argument and which details are optional.
Save decisions as fields
A repeatable structure makes the handoff clear: first hook, second hook, content slides and captions. Your template handles the visual hierarchy. Your brand settings supply the newsletter ending.
You can fill the fields manually or ask your existing writing agent to prepare them. The rendering service does not need another AI step to arrange words that are already written.
Let the routine work follow publication
Once the copy is ready, rendering the images, assembling the PDF and sending them to the right accounts are repeatable tasks. Make publication the trigger and keep a clear status for each destination.