An ETF's offering document, together with its financial statements, notices and announcements, etc. are available on the ETF's own website. Some of these materials can also be found on the website of Hong Kong Exchanges and Clearing Ltd.
Important information about the investment objective and strategies, such as index replication strategy adopted by a passive ETF, is provided in the offering document.
For a synthetic passive ETF, you can also find an overall description and selection criteria of the derivative counterparty / counterparties and the nature and quality of the collateral where a collateral arrangement is in place.
You may also check out a synthetic passive ETF's website for the passive ETF's exposure to each derivative counterparties and collateral information.