Sergey, good day.
If the issue is that the product is the same, but it has variations (for example, color or size), then depending on your internal policy, you can use variations through additional product and composition fields, or make each variation a separate product. The choice is often influenced by the need to upload such goods to online stores or marketplaces.
If the question is not about variations, but, for example, about serial numbers - then you can use the function Serial numbers
there is a little more in the video
https://www.youtube.com/watch?v=Icx9eDyE_eABut if you have never set this up before, many related questions may arise, and it will not be possible to answer everything in detail here, it is easier to set it up right away. Therefore, contact any of the integrators here
https://1b.app/ua/partner/search/?tags[]=3