I've not done a whole lot with S3 but is this due to it being easy to sync between storage providers that support S3 or something? I'm more used to Azure Blob

I've not done a whole lot with S3 but is this due to it being easy to sync between storage providers that support S3 or something? I'm more used to Azure Blob Storage than anything, so I'm OOL on what people do other than store files on S3.