Hello,
I think what you are looking for is Microsoft Translator:
https://apps.apple.com/us/app/microsoft-translator/id1018949559
You cannot use Azure Translate on an iPad. Azure AI Translate is for building applications using REST API calls:
https://azure.microsoft.com/en-us/products/ai-services/ai-translator
Documentation:
https://video2.skills-academy.com/en-us/azure/ai-services/translator/
"Azure AI Translator is a cloud-based machine translation service you can use to translate text and documents with a simple REST API call. The service uses modern neural machine translation technology. The Custom Translator interface allows you to use your translation memory to create customized neural translation systems. The customized translation system can be used to translate text and documents with the Translator service."
If this is helpful please accept answer.