TVCG and the related conferences asks for camera-ready .pdf in CMYK colorspace and with all fonts embedded, which can be not straightforward. Here is my procedure to do it.

Prerequisite softwares

WinEDT
ghostscript
Miktex
Adobe Acrobat Professional

Compile a .pdf embedded with all the fonts.

Use Texify -> dvi2ps -> gswin32c. The switches of them are listed below. The switches are needed to generate .pdf 1) with "uncompressed figures", 2) embedding all fonts, and 3) in letter size.

Accessories	Program	switches	parameters
Texify	texify.exe	%0	"%F"
dvip2s	dvi2ps	-t letter -Ppdf -G0	"%N.dvi"
ps2pdf	ps2pdf	-sPAPERSIZE#letter -sDEVICE#pdfwrite -dPDFSETTINGS#/prepress -dCompatibilityLevel#1.3 -dAutoFilterColorImages#false -dAutoFilterGrayImages#false -dColorImageFilter#/FlateEncode -dGrayImageFilter#/FlateEncode -dMonoImageFilter#/FlateEncode -dDownsampleGrayImages#false -dDownsampleColorImages#false	"%N.ps" "%N.pdf"

Meanwhile, it can be seen that the options for ps2pdf and ghostscript are almost identical except that the operator= is replaced by #. The following 2 links provide more informaiton.
Use # instead of = for ps2pdf options in Windows.
MS Windows.

Generate the final .pdf in CMYK space.

Print the generated .pdf to Adobe PDF Printer, which allows you to specify color space. Also,

1. Make sure all fonts are embedded. Please refer to this post.
2. Create lossless compressed image. We need to change the Default Setting of the Printer Adobe PDF. I usually use Press Quality as the Default Setting, and then edit the setting,in the tab Image. Make sure that Downsample for color/gray/monochrome is off, and Compression is ZIP or Off.

Changes for the packages caption/subcaption

If the two packages caption and subcaption are used, please add the following lines:

% Change the colon in figure and table caption to dot. e.g. Change Fig. 2: to Fig. 2.
\captionsetup{labelsep=period}

% Use Sans Serif font for the caption.
\captionsetup{font={sf,small}}
% Do not align the caption to the middle even if the caption has only 1 line.
\captionsetup{singlelinecheck=off}

Questions/Issues

Besides Adobe Acrobat Professional, does anyone know other solutions to convert the color space to CMYK?

References

Formatting Guidelines for TVCG: VAST/ InfoVis/ SciVis Papers 2013, http://www.cs.sfu.ca/~vis/Tasks/camera_tvcg.html.
http://tex.stackexchange.com/questions/95207/how-to-center-a-specific-caption