If you want users to be able to pinch to zoom in on article content, choose the PDF image format when creating articles. You can specify the PDF image format only when creating an article. Interactive overlays no longer disable pinch and zoom.
Pinch and zoom is not supported in Smooth Scrolling articles at this time.
When creating or updating an iOS viewer, make sure that you select the Enable PDF Zooming option in DPS App Builder.
For native Android viewers, pinch and zoom is supported in all article formats, including PDF, PNG, and JPEG. Pinch-and-zoom is automatically enabled for Android apps.
Pinch-and-zoom is not supported in Windows apps.