Hello,
If you use any wallet provider to deposit (for example binance, kucoin, microlancer, coinus) then you will face an issue for receiving your funds from add slice:
There is no place to copy the invoice of QR Code. They generate deposit invoice instead.

If you do not know about add slice it is a platform that pays you to see ads. Funds are available after 30 days of earned.
You could join under me:
https://addslice.com/?crew=PSRUfyHB
Then what you do with Muun is to scan QR Code:

Later you scan QR Code of invoice generated by binance or coinus or kucoin or microlancer to process the transaction of assets with your muun wallet.