Yes, kind of. We put a lot of emphasis on offering a great developer experience/docs/SDKs (even for new comers and front-end devs), so might abstract some things.
Our upcoming product is a file storage/CDN service that's backed by S3.
The code will look bit like:
from deta import Drive
files = Drive()
files.put("myresume.pdf", "./resume.pdf")
From inside a Micro, this will just work and have the right permissions set.
For enterprise customers, we could offer direct access to AWS resources and Deta could run in their own AWS account.