Digitization helps in the process improvement, optimization and standardization. BPM integrates IT, and business objectives for the desired outcome.
Typically, BPM is a structured way, that helps in improving an org's business processes. e.g. a BPM application system can track your product or missed courier deliveries, or help an employee with customer complaints in a systematic order.
The management in common sense is human decision and the most used approach is the value based decision! Every model has specific direction however. For example the Edgeworth box in the competitive trading and prognosis, the portfolio optimization in finance e.x.t.
The description of the human objectives in general way is difficult. In such a level can be point only the common theoretical approach. In my opinion these are the theory of measurement, the utility theory and decision making in risk and uncertainty. From this position the way is the merger of mathematical modelling and value based decision.
Business Process Management involves quick and accurate information for decision making and digitalization is part of management Information systems. Retrieval of required information is possible digitalization and knowledge management. Hence BPM and digitalization definitely fit together.
I am always a little bit embarrassed about the meaning of the word “digitalization”. In its very broad sense digitalization turns everything (signals, information, pictures, music, processes, analysis, mental capabilities, decisions, health, emotions, feelings …) into bits; we have to manage our digital lives through our digital days. In a more narrow sense it might be connected with the adoption of IT, Internet, or some fashionable gadgets (watches, glasses, etc.).
In the context of BPM, digitalization steers the transfer from manual processes to automated ones (i.e. creating, improving, and managing executable processes on the basis of models). No doubt, in BPM this transfer is much faster and easier. And it seems to be even easier in BPaaS where it might be very tempting to adopt new SaaS services in a business process (and if this is not O.K. the usage of a service can be denied). The easier the business process automation, the more and more bits are produced (such as electronic documents, payments, decisions, signatures, reports, dashboards, activities …). Hence, BPM drives digitalization.
On the other side, BPM is grounded on digitalization: computer tools are used to produce models and execute them; web services and cloud services can be embedded in a process; new process model can be mined from log files …
So my answer to your question is: Yes, digitalization and BPM live together quite O.K. Moreover, they speed each other up.
When there is a question about the relationship between business process and information technology, I always start my answer with the concept of IT alignment; IT should align with the business process.
The same thing with this question about digitalization and business process management (BPM). Digitalization is the IT-related process of organization which could either be a process of transferring any information into digital format or a process of replacing some clerical tasks into automated tasks. BPM is the management process of how the organization respond to the change; reorganization, high growth, or new system implementation. In that sense, BPM may not need the involvement of IT or Digitalization. However, it is commonly found that most BPM projects involve Digitalization as a tool and enabler, at least in the last ten years.
In all, digitalization fits in the BPM as a tool for bridging the business process with the IT process. Using the tool, the BPM implementer will be able to see the interdependency among processes and generate a programming script, thus, introducing the automation. Furthermore, digitalization can be seen as an outcome of the BPM.