\documentclass[a4paper]{article}
%\documentclass[a4paper,dvipdfmx]{article}% when using dvipdfmx
\usepackage[%
  1.5,%          to set output PDF version
  %nocompress,%  to suppress all stream compression
  noobjcompress% to suppress compression of strings for describing objects
  ]{bxpdfver}
%\setpdfversion{some.pdf}% to set output version equal to some other PDF file
\setpdfdecimaldigits{4}% to set precision of decimals used in PDF commands
%\setpdfpkresoluion{1200}% to set resolution (dpi) of PK bitmap fonts
%\preservepdfdestinations % to preserve PDF destnation names as is
\begin{document}
Need to say hello {\TeX}!?
\end{document}