For categories you would have to edit the archive.php or rather to be specific the category.php file. https://codex.wordpress.org/Category_Templates That page will give you an idea of the specificity you can go with template files.
For an easy solution, you could just create page templates and set their Template Post Type to match your custom post type. WordPress has supported custom page templates for other post types than page too since version 4.7. You can read more about it from the Theme handbook // Creating page templates for specific post … Read more
May be this image will be helpful
You’re not supposed to see the template dropdown when editing the Posts page, because changing the template with the dropdown wouldn’t do anything. The template for the Posts page is determined by the Template Hierarchy. When you make a page the Posts page it’s no longer a Page in terms of templates. It will use … Read more
Turning archive templates to a page template maintaining the slug
Many themes overwrite WooCommerce template files. A behaviour that can cause malfunctions. WC_TEMPLATE_DEBUG_MODE will prevent overrides in themes from taking priority // Add this to wp-config.php file define( ‘WC_TEMPLATE_DEBUG_MODE’, true ); https://docs.woocommerce.com/wc-apidocs/function-wc_get_template_part.html
Change WooCommerce template for PDF – access to custom field
Try adding these codes to your theme’s function.php file: function isa_add_img_title( $attr, $attachment = null ) { $img_title = trim( strip_tags( $attachment->post_title ) ); $attr[‘title’] = $img_title; $attr[‘alt’] = $img_title; return $attr; } add_filter( ‘wp_get_attachment_image_attributes’,’isa_add_img_title’, 10, 2 );
Change Page Template Based on URL Rewrite in WordPress
How to add variables to a template