Plugins are usualy offered as is.
I understand its urgent, but you cant ask a fix within a deadline. Its FREE.
I dont think the author will work for you on demand. But good luck.
So, yes products can be reached from url or “related products” block or any other block.
The plugin do only what it should do. It hide a category from the category block or from a search result.
You’re right, I forgot it was a free plugin, I’m sorry about it.
I understand, I thought the product was completely hidden. Then everything works fine.
Thank you for your answer.