Hi there Syahrizal Akbar
Thanks for using QandA platform
First, make suree your app isn't being used for prohibited activities, sfor example like generating harmful r misleading content, engaging in illegal actions etc. Your app should also be compliant with data privacy regulations, like GDPR, especially if it processes personal data. Also you must obtain user consent for data collection and processing. Lastly, check if there are any attribution requirements for using Azure’s services ill give you the documentation links.
Azure Cognitive Services Terms of Use
Azure Compliance Documentation
If you're still unsure, i suggest you to raise a support req to help this sorted.
https://portal.azure.com/#view/Microsoft_Azure_Support/HelpAndSupportBlade/~/overview
If this helps kindly accept the answer thanks much.