Control number of products to be shown on the single store page's featured section

functions.php

<?php

add_filter( 'dokan_featured_product_section_item_count' , 'control_featured_section_of_single_store' );

function control_featured_section_of_single_store ($columns){
    
    $columns = 4; //enter your desired number of products
    return $columns;
}

?>