To reproduce:

Scroll to the last button
Click it
Push tab

Expected: scroll pane scrolled to the focused button
Result: first button is focused but not visible

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class HelloScrollPane extends Application {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Application.launch(args);
    }

    @Override public void start(Stage stage) {
         
        Button b = new Button("Button");
        Button b1 = new Button("Button1");
        Button b2 = new Button("Button2");
        Button b3 = new Button("Button3");
        Button b4 = new Button("Button4");
         
        VBox vb = new VBox(30);
        vb.getChildren().addAll(b, b1, b2, b3, b4);
         
        stage.setTitle("Hello ScrollPane");
        Scene scene = new Scene(new Group(), 200, 200);

        Group root = (Group)scene.getRoot();

        ScrollPane sView = new ScrollPane();
        sView.setContent(vb);
        sView.setPrefSize(160, 160);
        sView.setLayoutX(20);
        sView.setLayoutY(20);
        sView.setPannable(true);
        sView.setVisible(true);
        root.getChildren().add(sView);

        stage.setScene(scene);
        stage.show();
    }
}