i activate in modules/third parties the odt template like below :
DOL_DATA_ROOT/doctemplates/thirdparties
DOL_DATA_ROOT/doctemplates/invoices
6 are found (i added 4 in fact)
when i look for using these templetes i dont find then
I think the last line of the document explains where to put your templates.
And if you do not know where to use your own templates, then I would ask why you want to use them ?