BI Analytics in the Bitrix24 On-Premise edition is available only for a subscription license.
Bitrix24 subscription license
To use BI Analytics reports, you need to switch Bitrix24 On-Premise license to a subscription model.
You can switch to a subscription license for 25% of the 1 year license price. To do this, contact the Bitrix24 Sales Department by email: firstname.lastname@example.org.
As part of the subscription license of the Bitrix24 On-Premise edition, only 2 reports are available in BI Analytics: on deals and leads.
Additional reports for BI Analytics can be installed from the Marketplace at the time of connection: