Credit Card Discussion

Will they have any problems since the tickets would have been purchased from my credit card and I am not travelling with them?
Will they need to show who has purchased tickets for them?
If yes, how do they prove their relation with me?
What documents should they carry for their personal identification?
What documents should be carried by [...]

I live in SE Asia country and want to open an online travel business and sell tours / services online, however most the online credit card processing companies i have investigated dont want to do business in my country. Even paypal will only allow me to send , not to recieve funds from my country. [...]