primer/Pages/Reports.xaml

<Page x:Class="Namordnik.Pages.Reports"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:local="clr-namespace:Namordnik.Pages"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="Reports">

    <Grid>
        <StackPanel> 
            <Button Name="BtnRepProd" Click="BtnRepProd_Click" Width="250">Экспорт отчета по продукции в Word/PDF </Button>
            <Button Name="BtnRepMat" Click="BtnRepMat_Click" Width="250">Экспорт отчета по материалам в Word/PDF</Button>
        </StackPanel>
        
    </Grid>
</Page>