To Upload Profile Products,

1. Go the Magento 2 admin panel.
2. On the left navigation bar, click on the MLibre Multi-Account Integration menu.
   The appears as shown below:
   
3. Click on Manage Profiles.
   The Manage Profile page appears as shown in the following figure:
   
4. Scroll down to the required profile row.
5. In the Action column of the respective row, click the Upload button as highlighted in the above image.
   You will be navigated to the Mlibre Multi-Account Product Listing page from where you may take necessary actions.
6. Choose the product you wish to upload.