Whether the appeal filed in the Vaud social insurance court was admissible despite the challenged decision originating from the Fribourg AI office.
No. The appeal was manifestly inadmissible because the competent cantonal court was the Fribourg social insurance court, as indicated in the contested decision.
Direct appeals against cantonal AI office decisions must be brought before the insurance court of the office's canton; the wrong authority was designated in the notice of appeal by obvious error, so the Vaud court lacked competence.