here is my code
i am not sure why the exact code is working in android as expected not in iOS. Also what's weird is that only the Y axis is not showing.
<telerikChart:RadCartesianChart Grid.Row="1" IsVisible="{Binding IsDataLoaded}" >
<!-- axis-->
<telerikChart:RadCartesianChart.HorizontalAxis>
<telerikChart:CategoricalAxis LabelFitMode="Rotate"/>
</telerikChart:RadCartesianChart.HorizontalAxis>
<telerikChart:RadCartesianChart.VerticalAxis>
<telerikChart:NumericalAxis LabelFitMode="Rotate" LabelFormat="P0" />
</telerikChart:RadCartesianChart.VerticalAxis>
<!-- series -->
<telerikChart:RadCartesianChart.Series>
<telerikChart:BarSeries CategoryBinding="Month" LabelFormat="{}{0:P1}" ShowLabels="True"
ValueBinding="ValueRaw"
ItemsSource="{Binding UtilizationSeries}" />
</telerikChart:RadCartesianChart.Series>
</telerikChart:RadCartesianChart>