A quick guide to SelluSeller and PGMall connection.
When the connection between SelluSeller and PG mall is established,
All products from PGMall will get synced to SelluSeller.
You can list a new product on PGMall from SelluSeller.
You can update the product, price and inventory from SelluSeller to PGMall.
You can delete the product on PGMall from SelluSeller.
Hope this answers your question.