The Advanced Pro Settings can be found in Settings > Advanced Settings. These settings require a valid PDF Viewer Pro subscription.

Page Fit
Define how pages are scaled to fit your device screen. Can either be set to "Fit to Screen" or "Fit to Width".

Document Interaction Bars
Visibility settings for the app bar and thumbnail bar when viewing a PDF. Can be used to permanently show these bars.

Page Thumbnail Bar
Allows switching between the default static thumbnail bar and a scrollable thumbnail bar.

Text Search Results
Allows switching between the default inline search bar in PDFs or a separate search panel.

Forward and backward navigation
Allows disabling the forward and backward buttons for navigating your browsing history inside a PDF.

First page always single
Allows to enable cover mode in dual-page mode.

Enable JavaScript
Allows to enable/disable JavaScript support for PDF documents. Enabled by default.

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