The store may not meet the channel’s requirements.

Requirements that determine whether a store can use a particular channel.

The channel connection is removed and products stop syncing to that channel.

Yes, merchants can uninstall them from Shopify settings.

Through Settings > Sales Channels > Shopify App Store > Install.

Some sales channels are installed as apps but appear as sales channels in Shopify Admin.

Yes, many sales channels are developed by third-party partners.