Do the embassies verify the authenticity of any of the documents needed, like bank statements? What's to stop someone looking for a workcation DTV from just photoshopping a balance or a work portfolio or something else?
TLDR : Answer Summary
The authenticity of documents submitted for visa applications, such as bank statements, can be verified by embassies. While the depth of verification varies, it is generally inadvisable to submit doctored documents due to the serious legal repercussions involved. Multiple comments indicate that detection can occur through methods such as direct verification or current balance checks. Violating these rules can lead to serious consequences, including visa rejection or bans from entry into Thailand.