Which CRM to choose for Joomla and Virtuemart to work together?

Question

Joomla

That is, so that customer orders to certain suppliers can be tracked by a supplier who has access, and the link is between the online store and the order management system, reports, communications, accounting, etc.
CRM management is required in general, working in conjunction with the specified one.

Answer 1

probably you need to start with the goals that you are trying to solve by implementing CPM

Answer 2

For Virtuemart and Bitrix24 there is a plug-in WT Virtuemart Bitrix24 Sends orders to Bitrix24 in the form of leads. Sending goes through the Bitrix24 REST API, so you need a paid tariff to work. Since January 2021, Bitrix24 has disabled REST on free plans.