What will happen if they are empty or have little text and are poorly optimized?
Most common e-commerce mistakes - Categories
At TeaShop they have it very clear, look at the category description.
Why do you think if you type "buy tea in bulk" they are the first?
Data marking
That your e-commerce is registered in Google indian email database Search Console (that wonderful tool) is something that I have already taken for granted.
With it you can mark up product sheet data, Google offers rich results and any help is little.
Most common e-commerce mistakes - Google Search Console
Here's an example of how Google Search Console works to mark up data and then serve rich snippets in search results.
Do not copy product descriptions
Be original!
One of the biggest problems for e-commerce SEO is that manufacturer descriptions are often copied.
This results in duplicate content and a tremendous lack of originality in the texts.
How are you going to sell a product that has the same description as the brand?
It doesn't make sense, change it, be different.
Use the “rel=canonical”
It is common in e-commerce to do a search based on different factors.
Color, size or price may be some of them, but not countless.
The problem with this is that URLs are generated that can lead to duplicate content, something that you already know Google doesn't like at all.