Internal error occured for conversion pdf to docx

Hello,

since 2-3 days, we have often a internal error for convert pdf to docx after 20-40 minutes of proccessing

error :

{"statusCode":502,"headers":{"Cache-Control":"no-store, must-revalidate, no-cache","Transfer-Encoding":"chunked","X-Request-ID":"7YtPdo2XI5yBOsjNsFFVR5MHL0SbR6Ck","Pragma":"no-cache","X-Content-Type-Options":"nosniff","Strict-Transport-Security":"max-age=31536000; includeSubdomains","x-robots-tag":"noindex,nofollow","Vary":"accept-encoding","Timing-Allow-Origin":"*","x-ms-apihub-cached-response":"true","x-ms-apihub-obo":"false","Date":"Fri, 15 Dec 2023 16:02:10 GMT","Content-Type":"application/json","Expires":"Thu, 01 Dec 1994 16:00:00 GMT"},"body":{"error":{"code":502,"source":"france-001.azure-apim.net","clientRequestId":"ae242d6e-edb6-457b-a4e9-ad99c432a034","message":"BadGateway","innerError":{"error":{"code":"INTERNAL_SERVER_ERROR","message":"There was an error processing your request."}}}}}

for 2 pages document