For 2019 and later, you can access that information within Paxata:

From there you will see a link for Data Sources. This list is updated upon each release.
The supported data sources for the 2018.2 SP1 release include:
Databases:
- Azure SQL Data Warehouse
- Hive (CDH5) - Version: CDH 5.12-5.14
- Hive (HDP2) - Version: HDP 2.6.3
- IBM DB2 - Version: 10.x+
- IBM Netezza - Version: 7.x+
- MS Azure SQL
- MS SQL Server - Version: 2012
- Oracle - Version: 11, 12
- PostgreSQL - Version: 8.4
- MySQL - Version: 5.1
- Redshift
- SAP HANA - Version: SPS 11
- Snowflake
- Teradata - Version: 15.0+
- Vertica
File/Object Stores
- Amazon S3
- Azure Blob Storage (WASB)
- Azure Data Lake Store (ADLS)
- Google Cloud Storage
- HDFS on CDH5 - Version: CDH 5.12-5.14
- HDFS on HDP2 - Version: HDP 2.6.3
- Network Share (SMB / Samba) - Version: SMB v2, v3
- SFTP (note: SFTP servers compatible with clients that use protocol version 1,2, or 3)
- SharePoint - Version: 2013, 2016, Online
No SQL Databases
- AWS DynamoDB
- Cloudant
- REST API (HTTP, GET, and POST requests with URL only)
Applications
- Salesforce
- Microsoft Dynamics 365
You can also export to the following
Business Intelligence applications:
- MicroStrategy - Version: 10.9
- Tableau - Versions: 9.3.7, 10.0.x, 10.5.x, Online
For additional details, please refer to the attached Data Source Support Matrix.