issue items with two or more categories

Hi everyone
I have a strange problem that I can't understand, I installed FLEXIContent version 4.1.5 on joomla 4.3.2
I have created articles and associated them with several categories, but regardless of what they do, they are visible only in the main category
What am I doing wrong

you need to explain more, where is the problem ?

HI
I try to be as clear as possible
I make an article and associate it with the main news category for example
As per image 1
 
But the same I also associate it with the network configuration category
As per image 2
 
I expect to see this article present both in the news category but also in the other two categories
Instead it is only visible in the News category and cannot be viewed in the other two
 

i think you have a specific configuration in your other category (in category option or link menu)
1 check you link menu that a flexicontent categorie link ?

sorry but i don't know where to look
give me more details where are these settings to check

in your menu (joomla) you create a flexicontent menu link to categorie ?