Airflow public doc changes to add limitations

Author: SunilVeldurthi

articles/data-factory/concept-managed-airflow.md

@@ -76,6 +76,14 @@ You can install any provider package by editing the airflow environment from the
 
    :::image type="content" source="media/concept-managed-airflow/airflow-integration.png" lightbox="media/concept-managed-airflow/airflow-integration.png" alt-text="Screenshot shows airflow integration.":::
 
+## Limitations
+
+* Airflow availability in other regions will be available by GA (Tentative GA : Q2 2023 ).
+* Data Sources connecting through airflow should be publicly accessible. 
+* Blob Storage behind VNet are not supported during the public preview (Tentative GA : Q2 2023)
+* KeyVault configuration in storageLinkedServices not supported to import dags.(Tentative GA : Q2 2023)
+* Airflow supports officially Blob Storage but also allows to use of ADLS with some limitations.
+
 ## Next steps
 
 - [Run an existing pipeline with Managed Airflow](tutorial-run-existing-pipeline-with-airflow.md)

articles/data-factory/how-does-managed-airflow-work.md

@@ -46,10 +46,11 @@ The following steps describe how to import DAGs into Managed Airflow.
 
 ### Prerequisites
 
-You'll need to upload a sample DAG onto an accessible Storage account.
+You'll need to upload a sample DAG onto an accessible Storage account (Should be under dags folder).
 
 > [!NOTE]
-> Blob Storage behind VNet are not supported during the preview.
+> Blob Storage behind VNet are not supported during the preview.<br>
+> KeyVault configuration in storageLinkedServices not supported to import dags.
 
 [Sample Apache Airflow v2.x DAG](https://airflow.apache.org/docs/apache-airflow/stable/tutorial/fundamentals.html).
 [Sample Apache Airflow v1.10 DAG](https://airflow.apache.org/docs/apache-airflow/1.10.11/_modules/airflow/example_dags/tutorial.html).