If applying in Spain, it should be OK. ( Without the blur of course)
Applying elsewhere they may want a validated translation.
That’s one of the reasons why it is best if applying in your homecountry where the bulk of the documentation is originating from, then the visa Officer, would be accustomed with the way the documents look, and have easier options to validate the documents
Only if you are meeting a very helpful Immigration officer, you would be allowed to use ATM’S in the airport, and since they are on the out section, you can not get to them until passed Immigration.
And if you are asked, it is most likely because you are close to be in trouble, which means the Immigration officer allready has found something disagreeable about you.
You may be lucky to get by with a few hours / minutes, but some Immigration officers, are smart enough to see that you are trying to circumvent Thai laws, and then it can be troublesome.
The requirements are the same for your spouse, she has the same risk of ex. needing hospitalization or other financial expenses as applicant 1, which are the reason for the 500.000 Baht deposit.