Amazon Post For a Product With 15 Variations?

If you have a variation of 15 products, then to create Amazon post you will have to enter all the product ASIN individually , adding parent will only add one product and you will have to manually add remaining 14 products

You will have to add all ASINS individually. You can not use parent ASINs for Amazon posts.

It it better to create separate amazon posts for each ASIN as you could have different colors or size in variation.

If you have 15 variations for a product, and you want to create posts for all variations then you have to mention all variations separately.

Amazon post does not accept Parent ASIN, to add 15 variations you have to add each product individually

No all variation will not be added if you enter parent AISN while creating the post, and as you have mentioned that you 15 ASINs, amazon allow you to add 10 ASINs per post, so you can enter 10 ASIN for one post and then you have to create another post for the next 5 ASINs remaining.

You should have to do this individually, if you want to show your one post on all ASINs then there is condition to add Up to 10 ASINs in it.

for creating an amazon post you have to give amazon separate asins. parent asins are not supported.

No, you have to add the asins of 15 variations individually in amazon posts.

If you wanted to display a single post across all ASINs, you should have to do this individually. You can only manage this if you include up to 10 ASINs.