Tips on Customizing Document Embedder – Document Embedder Plugin

How to Hide Document Embedder Admin Menus

function plt_hide_document_emberdder_menus() {
	//Hide "Document Embedder".
	remove_menu_page('edit.php?post_type=ppt_viewer');
	//Hide "Document Embedder → Document Embedder".
	remove_submenu_page('edit.php?post_type=ppt_viewer', 'edit.php?post_type=ppt_viewer');
	//Hide "Document Embedder → Add New Doc".
	remove_submenu_page('edit.php?post_type=ppt_viewer', 'post-new.php?post_type=ppt_viewer');
	//Hide "Document Embedder → Upgrade to PRO".
	remove_submenu_page('edit.php?post_type=ppt_viewer', 'https://bplugins.com/products/document-embedder/#pricing');
	//Hide "Document Embedder → Help".
	remove_submenu_page('edit.php?post_type=ppt_viewer', 'ppv_help');
	//Hide "Document Embedder → PRO Version Demo".
	remove_submenu_page('edit.php?post_type=ppt_viewer', 'https://bplugins.com/products/document-embedder/#demos');
}

add_action('admin_menu', 'plt_hide_document_emberdder_menus', 11);

Where do I put this code?

How to Hide Document Embedder Meta Boxes

function plt_hide_document_emberdder_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Upgrade to Pro" meta box.
	remove_meta_box('donation', $screen->id, 'advanced');
	//Hide the "Configuration" meta box.
	remove_meta_box('ppv', $screen->id, 'advanced');
	//Hide the "Try LightBox Addons" meta box.
	remove_meta_box('myplugin_sectionid', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_document_emberdder_metaboxes', 20);