Yes, although it is not a yield or fixed rate that you receive in your wallet, but rather it impacts the technical price of the BPRO token.
This performance is given by the leverage obtained by the BPRO token for stabilizing the price of the DOC at 1 usd and for receiving part of the fees charged by the protocol for each transaction. It varies depending on factors such as the number of DOC tokens issued and the collateral provided by BPRO issuers.

Yes, one of the benefits of holding BPRO is receiving MOC tokens. It is through the MOC Liquidity Mining program. You can read more in this blog article.

BPRO leverage is the ratio of issued DOCs to the amount of collateralized BPRO.
To do the calculation you can use this formula: TVL/(TVL-DOC) or a simpler one would be Global Coverage/(Global Coverage - 1)
You can read this concept and others in the whitepaper.

In the event of an abrupt drop in the price of BTC in a short time, known as a flash crash, the protocol reacts with a series of measures that prevent the settlement of the protocol. You can read in detail about the Non-Liquidation feature in the article What if bitcoin had a flash crash?

The rBTC contribution made by BPRO is used to buy MOC tokens on the TEX and increases the flow of MOC received by both oracles and MOC stakers.