ZIP to PDF conversion returns 504 gateway timeout using Node.js sdk

Hello, i am using conversion nodejs sdk for convert zip to pdf. I’ve uploaded a zip file to internal storage however i am not able to convert the zip to pdf it return exception 504 gateway timeout. zip file contains cad files and size of zip file is 40mbs.
internal storage used for store zip file and converted file.
can anyone help me out ??.

@mm.rahul

Please try to convert the Cad file directly to a PDF instead of a zip file. It should work. Please check the supported file formats for reference.