Hello JING,
Thanks for your question
Yes you can. It can be used for Azure AI services, including the Computer Vision API.
Eligible startups can receive $1,000 USD in Azure credits to explore the latest AI models and start building on Azure. This startup credit offer can be used for eligible Azure products within the first 90 days of sign-up.
This is cited from: https://learn.microsoft.com/en-us/azure/signups/overview
You can mark it 'Accept Answer' and 'Upvote' if this helped you
Regards,
Abiola