Sahaja Yogis even try to deny they have a dogma. If intense pressure is used to dissuade people who wish to talk with former members or critics, it is a clear sign of information control. Controlling information is one of the most essential components of mind control. Yes, the finances. One talk on the muladhara chakra was only distributed to leaders.
Much information is held back from newcomers.
I've never heard of anybody asking for, or being given access to, the accounts. The only way to know is to ask to see the records. If you asked to check the accounts, your request would be refused and you would be stigmatised. Mataji condemns most other religions. Only appeal to the hierarchy or mataji herself.