There is no way to bring the frame border and title as part of an export so your only option would be to manually add titles within each frame. This would be a good enhancement request to have that as an option within the export to PDF dialog so consider adding it as a wish list topic here following the guidelines here: Wish List: Everything You Need to Know 🌠| Miro
There is no way to bring the frame border and title as part of an export so your only option would be to manually add titles within each frame. This would be a good enhancement request to have that as an option within the export to PDF dialog so consider adding it as a wish list topic here following the guidelines here: Wish List: Everything You Need to Know 🌠| Miro