Dynamically Add Article Schema to Posts

add_filter( 'aioseo_schema_graphs', 'aioseo_filter_schema_graphs' );

function aioseo_filter_schema_graphs( $graphs ) {

   if ( is_singular( 'post' ) && ! in_array( 'Article', $graphs, true ) ) {

      $graphs[] = 'Article';

   }

   return $graphs;

}