For Binance chain extension wallet users
You'll need to switch to Binance Chain Mainnet (BC) mainnet or Binance Smart Chain (BSC) mainnet
Once you've added the asset to your wallet, you will be able to select different networks to view the assets held by your selected account on that network.
For Metamask wallet users
You'll need to add Binance Smart Chain (BSC) mainnet network https://academy.binance.com/en/articles/connecting-metamask-to-binance-smart-chain
Then add tokens manually: https://docs.yearn.finance/how-to-guides/how-to-add-a-custom-token-to-metamask