SAP Analytics Cloud Limitations for Acquired Connection: https://help.sap.com/docs/SAP_ANALYTICS_CLOUD/00f68c2e08b941f081002fd3691d86a7/5f61b6509a5e4d499e8cb9685f32db73.html
Create a Connection in SAC tenant on File Server for Excel files import to build and schedule data load periodically into SAC Acquired Models. Go to SAC System Administration --> System Integration Enable option "Allow model import from File Server" Enable second option in screenshot if users required to export files.
Direct Filters vs Indirect Filters at Page level in SAC Stories: When you create filter(s) on top of Secondary Model dimensions in where linked models ( Blended / joined ) with Primary model in SAC stories will not support due to limitation ( Live Connection Scenario ). Resolution: Create Dimensions based Primary model or Have limited master data below described in this warning.